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(covers information from several alternate timelines)
Spock – full name generally considered unpronounceable to Humans – was a male Human/Vulcan hybrid who became one of the most distinguished and respected figures in the United Federation of Planets. (TOS: "This Side of Paradise", "Journey to Babel"; TNG: "Unification I", "Unification II"; VOY: "Alliances", "Endgame")
As a Starfleet officer in the 23rd century, he served aboard the starship USS Enterprise as science officer under Captain Christopher Pike, as first officer and science officer under Captain James T. Kirk, and as the commanding officer of the Enterprise during its tenure as a training vessel. In the 24th century, Spock became an adviser to the leadership of the Federation and a celebrated ambassador on their behalf . He disappeared in 2387 after saving the Federation from a supernova that destroyed Romulus and caused the creation of the alternate reality. (TOS: "The Cage", "Where No Man Has Gone Before"; Star Trek II: The Wrath of Khan; TNG: "Unification I", "Unification II"; Star Trek)
Spock was born on January 6th, 2230 in the city of Shi'Kahr on the planet Vulcan. His mother was Amanda Grayson, a Human school teacher, and his father, Sarek, was a Vulcan scientist and diplomat. (TOS: "The Corbomite Maneuver", "This Side of Paradise", "The Squire of Gothos", "Amok Time"; TAS: "Yesteryear"; Star Trek V: The Final Frontier; Star Trek Beyond)
For a time, Spock grew up alongside his half-brother, Sybok (the son of Sarek from a previous mate) until Sybok was ostracized for rejecting Vulcan principles of logic. (Star Trek V: The Final Frontier)
Spock's mixed parentage caused difficulties throughout his early life. His own father, despite having married a Human woman, was somewhat ambivalent about his son's half-Human nature at his birth. For her part, Amanda watched Spock's stiff-lipped anguish caused by torment at the hands of other Vulcan children, who repeatedly attacked and teased him to provoke emotional responses, knowing that his "Human half" was suffering. (Star Trek V: The Final Frontier; Star Trek; TOS: "Journey to Babel")
In 2237, at the age of seven, Spock decided (prematurely, and without parental knowledge or approval) to undertake the kahs-wan maturity trial in the Vulcan wilderness in an attempt to prove himself. His pet sehlat, I-Chaya, tagged along against his master's wishes, and defended Spock from the attack of a carnivorous, venomous le-matya. The intervention of an older cousin saved Spock from the le-matya, but I-Chaya was left badly wounded. Faced with the stark choice of a painfully extended life or a peaceful release for I-Chaya, Spock logically opted for the latter. That decision marked his choice of following in the philosophies of Surak: logic and emotional control. Many years later, in 2269, the accidental creation of an alternate timeline created a universe where Spock was killed in his childhood. Using the Guardian of Forever, Spock returned to the Vulcan of his youth and assumed the role of Selek, the nearly-forgotten cousin who saved his life during the kahs-wan ordeal. (TAS: "Yesteryear")
Sarek gave Spock his first lessons in computers, setting him on the path of a scientific career. Against his father's wish that he complete his instruction at the Vulcan Science Academy in the family tradition, Spock expressed a desire to join Starfleet. The argument came to a head in 2250 with Spock's final decision, causing a rift that kept them from speaking to each other for eighteen years. (TOS: "Journey to Babel")
Spock was commissioned as a Starfleet officer in 2250 with the serial number S 179-276 SP, and he held an A7 computer expert classification. By 2254, Spock was assigned to the USS Enterprise. The starship and its namesake were his home for forty three years, until 2293. (TOS: "The Enterprise Incident", "Court Martial", "The Ultimate Computer", "The Cage"; Star Trek VI: The Undiscovered Country)
As a science officer under the command of Captain Christopher Pike, Spock was wounded in the leg when Pike's landing party was attacked on Rigel VII in 2254. As the ship proceeded to the Vega colony for medical care, a radio wave distress call forced Pike to divert the ship to Talos IV. Still limping, Spock joined a landing party that transported to the barren surface of the planet, where Talosians captured Pike; he was the first of the ship's crew to realize that the Talosians had powerful illusory abilities. Spock's final report, along with Pike's, recommended a ban on visitation to the planet. Starfleet's General Order 7 supported that judgment. (TOS: "The Cage", "The Menagerie, Part I", "The Menagerie, Part II")
On Earth briefly in 2261, Spock met Leila Kalomi. Although she declared a love for Spock, his Vulcan control prevented him from showing any emotion in return until the spores on the planet, Omicron Ceti III, infected him. Under their influence, he became peaceful and happy, but Captain Kirk infuriated him, thus killing the spores and returning him to reality. (TOS: "This Side of Paradise")
Spock's service under Pike (eleven years, four months, and five days) inspired considerable respect and loyalty from the young officer. In 2267, Spock risked his life and career for the sake of his former captain. (TOS: "The Cage", "The Menagerie, Part I", "The Menagerie, Part II")
The five-year missionEdit
After Pike's promotion to fleet captain, James T. Kirk assumed command of the Enterprise in 2265, with Spock as his First Officer. An early mission, attempting an extra-galactic probe, was disastrous. Lieutenant Commander Gary Mitchell, a close friend of the new captain, developed enhanced psionic abilities when the Enterprise encountered an energy barrier at the edge of the Milky Way Galaxy.
Spock examined the tapes of an earlier ship, the SS Valiant, that had encountered the same barrier and was destroyed. As Mitchell's powers increased geometrically, Spock believed he had become extremely dangerous and feared that he would destroy the ship. Spock therefore advised Kirk to either strand Mitchell on the uninhabited, desolate world of Delta Vega, in order to isolate him from galactic civilization, or kill Mitchell before it was too late. Kirk hesitated, and initially attempted the former, but the scope of Spock's concerns were eventually borne out, and Kirk was forced to kill Mitchell. (TOS: "Where No Man Has Gone Before")
The Enterprise repelled the first Romulan incursion of Federation space in over a century on stardate 1709.2. Spock and the bridge crew became the first Starfleet officers to make visual contact with Romulans, who finally revealed their Vulcan-like appearance to Starfleet. Lieutenant Stiles briefly suspected Spock of being a Romulan agent until Spock saved his life in the course of battle. (TOS: "Balance of Terror")
Spock kidnapped Fleet Captain Christopher Pike, his former commander, and hijacked the Enterprise. Pike had been crippled when a baffle plate ruptured during an inspection of an old Class J starship and was confined to a wheelchair, unable to speak. Spock wanted to return him to Talos IV, where they had visited years earlier; he wished to return Pike to the Talosians there so he could enjoy the rest of his life in an illusory reality and would not have to continue enduring his disability. After a lengthy inquiry into the matter, and in light of the Talosian-provided images, Kirk allowed Pike to beam down. Commodore Jose I. Mendez also dropped all charges against Spock. (TOS: "The Menagerie, Part I", "The Menagerie, Part II")
While commanding an away mission aboard the Galileo on stardate 2821.5, the shuttlecraft crashed on the surface of Taurus II. Giant hostile creatures killed two crewmembers while the shuttle was stranded there. Spock, aided by Lieutenant Commander Montgomery Scott, eventually launched the shuttle. Knowing that it could not break free of the planet's gravity, Spock ignited the shuttlecraft's remaining fuel, using it as a flare. The gamble paid off, it alerted the Enterprise, which turned around and rescued the team. (TOS: "The Galileo Seven")
After being thrown back in time to Earth of 1969 and interacting with that planet's US Air Force, Spock was able to recreate a time warp with a slingshot maneuver around the sun. (TOS: "Tomorrow is Yesterday")
Later, when Kirk was court-martialed for causing the death of Lieutenant Commander Ben Finney, Spock proved that Finney had altered the Enterprise's computer tapes to frame Kirk. (TOS: "Court Martial")
Spock helped Kirk to retake the Enterprise after Khan Noonien Singh, a 20th century Augment dictator whom the Enterprise's crew had found in stasis, commandeered the starship. Spock flooded the ship with gas, disabling Khan and his followers. (TOS: "Space Seed")
On stardate 3192.1, Spock and Kirk were taken prisoners on Eminiar VII, which had been at war for over five hundred years with the planet Vendikar. Computers fought the war virtually so that the destruction of actual warfare did not devastate the two worlds, thus preserving both civilizations. Whenever the computer registered a hit, the affected citizens reported to a disintegration chamber and were vaporized. When the Enterprise entered orbit around Eminiar VII, it became a legitimate target for Vendikar. The war computer soon declared that a tricobalt satellite explosion had destroyed the Enterprise; as a result, Eminiar officials expected the crew to report to the disintegration stations. They abducted Kirk and Spock to ensure compliance, but the two escaped captivity and destroyed the computers on Eminiar VII. With the threat of a real war looming over the inhabitants of both planets, Spock and Kirk sought to negotiate a peace between Eminiar VII and Vendikar. (TOS: "A Taste of Armageddon")
Later, on the mining planet Janus VI, an unknown creature was killing miners there. After locating the creature, Spock mind-melded with it; he discovered that the creature was called a Horta and determined that its killing of the miners was an attempt to protect its young. The miners had been unintentionally killing the Horta's offspring by destroying silicon nodules which were really the creature's eggs. Spock negotiated a pact between the Horta and the miners: The miners would leave the eggs alone and the Horta, in turn, would help the miners locate valuable minerals. (TOS: "The Devil in the Dark")
Spock and Kirk later became trapped on Organia, a planet of medieval culture, during a Klingon occupation of the planet. The Klingons wanted to use Organia as a base in their war against the Federation. The Organian council refused the Federation's help, and after the Klingons invaded and took control of Organia, Kirk and Spock had civilian identities imposed on them, with Spock being given the identity of a merchant. They then became involved in sabotage. After the Klingons captured them, the Organians set Spock and Kirk free. Just as war began to break out, the Organians revealed themselves to be powerful energy beings, once humanoid but now evolved. They neutralized both sides weaponry and stopped the war. (TOS: "Errand of Mercy")
On stardate 3134.0, Spock and Kirk traveled back in time using the Guardian of Forever to retrieve Dr. Leonard McCoy. McCoy had entered the time portal and somehow changed history. Spock discovered that McCoy changed history by saving the life of Edith Keeler, a social worker who, in the altered timeline, led a pacifist movement that delayed the United States of America's entry into World War II, thus allowing Adolf Hitler to win the war. Spock persuaded Kirk that allowing Keeler to die in an auto accident was only way to restore the timeline. (TOS: "The City on the Edge of Forever")
Near the end of the year, a neural parasite that destroyed the colony on Deneva also attacked Spock. He submitted to an experiment that destroyed the creature inside him but also left him blind. However, the blindness was only temporary due to an inner set of eyelids that all Vulcans possess. (TOS: "Operation -- Annihilate!")
In late 2267, the Enterprise encountered a probe called Nomad that had destroyed multiple star systems and their inhabitants. Spock mind-melded with the probe and discovered that it was an old Earth probe originally tasked with seeking out new life. Somehow damaged in space, it had merged with an alien probe on a mission to sterilize "imperfect" biological organisms from soil. These two missions had merged into sterilizing or improving anything that was not "perfect." Using its own logic against it, Kirk destroyed the probe. (TOS: "The Changeling")
On stardate 3219.8, an alien cloud creature took control of a shuttlecraft carrying Spock, Kirk, and Federation diplomat Nancy Hedford, landing it on a deserted planet. On the planet's surface, they found Zefram Cochrane, the inventor of Earth's warp drive. History records Cochrane's death as having occurred decades ago. The cloud creature, which Cochrane called the "Companion", had discovered him and managed to keep him alive and young. The creature had brought the three Starfleet officers to be companions for Cochrane. When Spock tried to repair the shuttlecraft, the Companion stopped him. The situation was resolved when the Companion joined with Hedford, who was dying from an incurable disease, and cured her. Hedford/The Companion remained on the planet with Cochrane. (TOS: "Metamorphosis")
In 2268, Spock and other crewmembers of the Enterprise encountered Harry Mudd stranded on a planet of androids. The androids wanted the Enterprise to escape the planet and serve Humans so that they would not have to explore space. Kirk, Spock, and the rest of the crew eventually managed to overload the androids' central control, causing the chief android, Norman, to have a nervous breakdown. (TOS: "I, Mudd")
While traveling to a peace conference on Babel, Spock was reunited with his parents. There was still much friction between Spock and his father, Sarek. When Sarek was accused of the murder of another delegate, the Tellarite Gav, it was revealed that he was ill with a cardiac defect, which made it unlikely that he could have committed the crime. Dr. McCoy was then tasked with performing surgery on Sarek for this defect. It was then discovered that Orions were responsible for the murder, and Spock made himself available for a blood transfusion for his father's surgery because they shared the same rare blood type, T-negative. Recovering in sickbay, Sarek and Spock made peace with each other, even playfully teasing Spock's mother, Amanda. (TOS: "Journey to Babel")
On stardate 4523.3, Spock helped foil a Klingon plot to poison quadrotriticale earmarked for the Federation world Sherman's Planet while at the same time trying to clear the Enterprise of a fast-breeding alien species called tribbles. (TOS: "The Trouble with Tribbles"; DS9: "Trials and Tribble-ations")
Spock later visited Sigma Iotia II, whose inhabitants had modeled their society on the gangster era of Earth's 1930s. An earlier starship had left behind a book about gangsters from Earth's 20th century that the imitative Iotians had used as a blueprint for their society. Spock played the part of one of the bosses of the main syndicate, "The Federation," and helped Kirk unite the two warring bosses into a form of government. (TOS: "A Piece of the Action")
Spock, along with the Enterprise, encountered a space amoeba that destroyed entire star systems. The USS Intrepid, sent to investigate the phenomenon, was destroyed, and Spock felt the Vulcans on the ship dying. In order to gain information on the creature, Spock piloted a shuttle into the amoeba and found that it was about to reproduce by fission. Spock subsequently destroyed the creature with an antimatter bomb. (TOS: "The Immunity Syndrome")
Spock's body was later taken over by Henoch, one of three survivors of an ancient civilization that had destroyed itself. The three had become energy beings to survive, and wished to build androids to house their minds. Henoch, the rival of fellow survivor Sargon, refused to relinquish Spock's body and attempted to kill Sargon. He himself was killed with the help of Spock's consciousness and Thalassa, Sargon's wife. (TOS: "Return to Tomorrow")
Spock came in contact with various other worlds in the early part of 2268. He was captured by Ekosians, who had based their society on that of Nazi Germany and tortured him to obtain information about the Enterprise. John Gill, a Federation historian, had visited Ekos and attempted to use the efficiency of Nazi Germany to bring stability to the planet. (TOS: "Patterns of Force")
Spock battled Kelvans who tried to take over the Enterprise in order to return to their homeworld in the Andromeda Galaxy, and helped Kirk stop Ronald Tracey, a Federation captain interfering in the planet Omega IV's societies by arming the Kohms against the Yangs. He also battled the government of a planet where a Rome-like civilization had never fallen and gladiatorial games still took place in the planet's modern era. (TOS: "By Any Other Name", "The Omega Glory", "Bread and Circuses")
Later the same year, Spock's brain was stolen by an alien race to help power a computer that controlled its society and provided for all its needs. McCoy was able to reconnect Spock's brain to his body with the same technology used to remove it. (TOS: "Spock's Brain")
Spock, along with Kirk, later stole a cloaking device from the Romulans. As part of the plan to retrieve the device, he pretended to kill Kirk and romanced the craft's commander in order to gain her trust, initially intending only to carry out his mission, but finding out he experienced actual feelings for the beautiful, brilliant commander. After Kirk returned to the craft disguised as a Romulan and stole the device, Spock stalled the Romulans long enough for the device to be installed in the Enterprise. The ship escaped with the cloaking device and the Romulan commander on board, who made a pact with Spock to keep their mutual feelings for the other a secret. (TOS: "The Enterprise Incident")
Spock later saved Kirk and a tribe of transplanted Native Americans when he helped save their planet from an asteroid by activating a deflector beam on the planet Amerind. (TOS: "The Paradise Syndrome") He allowed the Medeusan Kollos to take over his body so that the alien could guide the Enterprise back into the galaxy after a mad Larry Marvick had driven it into an uncharted region. The Medeusans were a highly intelligent species, but their bodies were grotesque in form – so much so that gazing upon a Medeusan would cause instant insanity in humanoids. However, it is said that telepathically viewing a Medeusan's mind, as Spock did, is quite a beautiful experience. (TOS: "Is There in Truth No Beauty?")
Spock helped save an landing party from the Melkotians who had, as punishment for trespassing, forced them to relive the infamous gunfight at the OK Corral in a recreation of Tombstone, Arizona. (TOS: "Spectre of the Gun") He also helped redirect an artificial asteroid, Yonada, from colliding with the Federation planet Daran V. (TOS: "For the World is Hollow and I Have Touched the Sky")
Spock took command of the Enterprise when a spatial interphase trapped Kirk between universes. Despite a Tholian attack from Commander Loskene, Spock and the Enterprise crew managed to retrieve Kirk and escaped from the Tholian spun restrictive energy web. (TOS: "The Tholian Web")
After hyper-accelerated aliens took over the Enterprise, they hyper-accelerated Kirk to take as a hostage. Spock managed to receive a warning from Kirk and became hyper-accelerated himself, but carried an antidote with him. He and Kirk stopped the aliens, and retook the ship. (TOS: "Wink of an Eye")
Spock was part of a landing party aliens were using to test the worthiness of an empathic race. A super nova was going to destroy their planetary system, and the aliens wanted to see if their race should be saved. After the aliens tortured Kirk, Spock and McCoy, the empath, Gem, healed them. Impressed by this, the aliens saved her planet. (TOS: "The Empath")
In early 2269, Spock and Kirk took a new medicine that could cure mental illness to a Federation mental facility. However, under the leadership of former Starfleet captain Garth of Izar, inmates had taken over the facility. Garth captured Spock and Kirk, putting their lives in danger. Spock escaped and found Kirk but Garth, who had developed shapeshifting powers, had assumed Kirk's identity. Spock determined the real Kirk from the impostor and subdued Garth, giving him medication that helped his mental illness. (TOS: "Whom Gods Destroy")
In the same year, Spock was part of a landing party that found a Human named Flint. He found masterpiece paintings and original classical music. Flint admitted that he had been Brahms and Leonardo da Vinci on Earth, and that he was an immortal being. (TOS: "Requiem for Methuselah")
Spock helped Kirk negotiate a peace treaty between two societies on the planet Ardana. He also became attracted to Droxine, the daughter of Plasus, the ruler of Ardana; he referred to her as a work of art and even discussed pon farr with her. However, nothing ever came out of the relationship. (TOS: "The Cloud Minders")
The Excalbians forced Spock and Kirk into a battle between good and evil to study Human concepts. The aliens created images of people who possessed "good" qualities, such as Abraham Lincoln and Surak, against "bad" people such as Colonel Green and Kahless. (TOS: "The Savage Curtain")
Spock, Kirk and McCoy entered a time portal, and were stuck in different past eras of the planet Sarpeidon, which was about to be destroyed by an exploding sun. Spock and McCoy traveled into the planet's ice age, where they met Zarabeth, who had been sent there as punishment. Even though McCoy was dying from the cold, Spock wished to remain with the woman with whom he had fallen in love, since, in this time period, he had emotions. Eventually, he discovered the portal door and saved McCoy. (TOS: "All Our Yesterdays")
After Janice Lester secretly transferred her consciousness into Kirk's body and his consciousness into her body, she attempted to kill Kirk and assume his captaincy. However, Spock managed to expose her and helped to re-transfer Kirk's consciousness into his body. (TOS: "Turnabout Intruder")
Later the same year, the Federation, aware of Spock's familiarity with mind-links, offered him an assignment to work with Medeusan Ambassador Kollos. Spock, however, turned down the assignment with the ambassador due to his life on the Enterprise. (TOS: "Is There in Truth No Beauty?")
Spock joined a landing party that beamed down to inspect the second planet of the Taurean system. There, he became affected by the glandular secretion of the Taurean females, known for controlling the male mind. This drained Spock of his "life force," causing him to age at a rate of ten years per day. Spock escaped the females of the planet and contact the Enterprise. An all-female security detachment led by Lieutenant Uhura eventually recovered him and the landing party. By using their molecular pattern stored in the transporter system, Spock and the others were returned to their previous ages. (TAS: "The Lorelei Signal")
On a mission to the planet Phylos, Spock was captured by Stavos Keniclius, an Earth scientist who planned to clone Spock and make an army of Spock clones to enforce an era of peace throughout the galaxy. His first clone, Spock Two, possessed all of the original's memories, abilities, and sense of logic. However, the cloning process left the original Spock near death. Since Spock Two possessed his progenitor's sense of logic, he mind melded with him and restored his mind, most likely transferring his katra back into the original Spock. The original Spock proposed that Spock Two remain on Phylos to help Keniclius rebuild the Phylosian society. (TAS: "The Infinite Vulcan")
After completing the Enterprise's five-year mission of exploration, Spock chose to return to his home planet of Vulcan. As a result of his occasional displays of emotion during his Enterprise missions, he decided to undergo the kolinahr ritual to purge himself of the last vestiges of emotion. However, Spock felt the arrival of a big consciousness; he aborted this training and resumed his Starfleet career both for personal reasons and to help Rear Admiral James T. Kirk during the V'ger incident. (Star Trek: The Motion Picture)
Feeling that the consciousness would answer for his quest, he broke into an airlock and stole a thruster suit. He exited the ship and proceeded to the next chamber of the mechanism. There he attempted a mind meld and he realized V'ger's quest. (Star Trek: The Motion Picture)
Death and resurrectionEdit
In early 2285, Spock, while on a training mission, ceded command of the Enterprise to Admiral Kirk during a mission that involved keeping the Genesis Device from Khan Noonien Singh. When Kirk and the Enterprise defeated Khan he armed the device. Spock repaired the Enterprise's plasma conduits – in a severely irradiated portion of engineering – in order to save the crew. He saved the ship, but sacrificed his own life in the process. Following his funeral service, Kirk gave Spock a "burial by sea" by firing Spock's body into space inside a torpedo casing. (Star Trek II: The Wrath of Khan)
When Spock's coffin landed on the surface of the Genesis Planet, the radiation emanating from the planet caused his cells to regenerate. Meanwhile, Kirk and the rest of the Enterprise's senior staff disobeyed Starfleet orders so that they could retrieve Spock's body, and discovered that he had been reborn as a child (and was quickly aging to adulthood), but whose mind was a complete blank. On Vulcan, Spock's living body (now at the age it had been when he died) was reunited with his katra (the Vulcan soul), which Spock himself had placed in Dr. Leonard McCoy prior to his death. (Star Trek III: The Search for Spock)
After his katra and body were re-integrated, Spock went on to serve as a Starfleet officer for many more years. He helped prevent an alien probe from destroying the Earth 2286. (Star Trek IV: The Voyage Home)
Prior to the launch of the new Enterprise, Spock was recruited to test the new brig as he was the most intelligent and resourceful person the designers could find. However, despite his ingenuity, he failed to escape. (Star Trek V: The Final Frontier)
Upon the launch of the new Enterprise, the newly demoted Captain Kirk retained Spock as his first officer. He served in this capacity during his half-brother Sybok's hijacking of the Enterprise, and their subsequent voyage to Sha Ka Ree.
In 2293, Spock was chosen to be the Federation's special envoy to the "Gorkon Initiative" as it was he who opened secret talks with Chancellor Gorkon following the Praxis disaster. Spock later committed Captain Kirk to the negotiations with the Klingon Empire. During Kirk and McCoy's subsequent trial and imprisonment for the assassination of Gorkon, Spock took command of the Enterprise and the murder investigation. Later, he led the rescue mission of Kirk and McCoy from Rura Penthe and helped stop an assassination attempt on the Federation President. Though this mission was successful, Spock blamed himself for endangering Kirk and the consequences that followed, a guilt that lasted 75 years. (Star Trek VI: The Undiscovered Country; TNG: "Unification II")
In 2293, Spock recommended an alliance between the Klingon Empire and the Federation at the Khitomer Conference. His recommendation produced a major dispute because the Federation viewed Klingons as outlaws who built their empire through violence and brutality. Despite seemingly insurmountable odds, an alliance was nevertheless forged, bringing peace and stability to the Alpha Quadrant that had not existed for two hundred years. USS Voyager security officer Tuvok, a young man at the time who initially opposed the alliance, later noted that "Spock's suggestion, so controversial at first, proved to be the cornerstone of peace." (Star Trek VI: The Undiscovered Country; VOY: "Alliances")
In his later years, Spock went into semi-retirement, choosing to act as a Federation ambassador (much as his father had done). In 2368, Spock undertook a secret personal mission to Romulus, unauthorized by the Federation Council or Starfleet. There he acted to facilitate Romulan-Vulcan reunification, avoiding contact with the rest of the Federation as he was reluctant to risk anyone's life but his own on such a mission after the near-fatal consequences to Kirk and McCoy in their involvement in the Khitomer conference. Captain Picard met Spock on Romulus and informed him of his father's death. Before Picard's departure, the two mind-melded, allowing Spock to realize the depth of his father's feelings for him. (TNG: "Unification I", "Unification II")
In 2369, Spock was involved in an incident of "cowboy diplomacy" in which Deanna Troi was temporarily kidnapped to help with the defection of three Romulans, including Vice-Proconsul M'ret, to the Federation. (TNG: "Face of the Enemy")
In 2387, when a star threatened to go into a massive supernova, Romulus faced destruction. Ambassador Spock promised to save Romulus and formed a plan which involved injecting red matter into the star, thus creating an artificial black hole which would consume the star. Piloting the Jellyfish, an advanced spacecraft equipped with red matter, Spock proceeded to the star to carry out his mission but, before he could, the star went supernova and destroyed Romulus. With other worlds threatened with destruction, Spock continued his mission and successfully created a black hole which consumed the supernova. Before he could escape, however, the Romulan mining vessel Narada, commanded by Nero, intercepted him. Nero blamed Spock for Romulus' destruction and was bent on revenge. The black hole eventually pulled in the Narada and the Jellyfish. (Star Trek)
Involvement in the alternate realityEdit
Spock emerged from the black hole in the year 2258 of the alternate reality. Since Nero had emerged twenty-five years earlier, Spock was immediately intercepted by the Narada upon his arrival. Both Spock and the Jellyfish were captured by Nero, who had been waiting for him. Spock's life was spared by Nero, although Nero marooned Spock on Delta Vega, where he could witness the destruction of Vulcan from the planet's surface. After Nero used some of the red matter from the Jellyfish to create a black hole in Vulcan's planetary core, Spock watched helplessly from Delta Vega as his homeworld was destroyed.
Shortly thereafter, Spock rescued a Starfleet officer from a hengrauggi, only to discover that the young officer was James T. Kirk himself, that era's Spock having marooned him on the planet for mutiny. The elder Spock was surprised that Kirk was not captain of the Enterprise. Through a mind meld, Spock explained to Kirk (who initially hadn't believed a word of the old man's tale) his presence in this time period and the reasons behind Nero's actions.
He then walked with Kirk to the Starfleet Delta Vega outpost, where they met Montgomery Scott. Using Scotty's equation for transwarp beaming (which Scott had not actually figured out yet), Spock was able to transport Kirk back to the Enterprise, along with Scott. When asked why he would not come with them, Spock stated that his other self must not know of his existence, implying that it could cause some kind of temporal paradox. Also, knowing his younger self would never take the course of action that could stop Nero but that Kirk would, Spock instructed Kirk to use Regulation 619 to force his younger self to give up command to him by proving he was emotionally compromised. Spock informed Kirk that he knew his younger counterpart was emotionally compromised due to the destruction of his homeworld. Kirk ultimately followed his advice and, by emotionally manipulating Commander Spock, managed to take command of the Enterprise.
After the Enterprise defeated the Narada and Nero, the elder Spock returned to Earth. There, he met his less-than-surprised younger self (while Kirk had kept his word, his word was no match for even the intellect of the younger Spock, as he had figured out who Kirk's mysterious benefactor must be) and convinced him to remain in Starfleet. He also explained that the reason he had not returned to the Enterprise with Kirk to explain things was that he had not wished to deprive Kirk and Spock of the chance of working together and developing the friendship they were destined to have. He then wished his younger self good luck, and walked away.
Afterwards, Spock witnessed the official promotion of Jim Kirk to captain of the USS Enterprise, repeating what he knew the crew would say before launch, apparently commiserating on his own experiences as a member of the crew of the Enterprise.
He left with an intention to establish a Vulcan colony. His attempts to convince his younger self succeeded and the younger of the two Spocks returned to the Enterprise to act as Kirk's first officer. (Star Trek)
A year later, the older Spock was living on New Vulcan, having made a solemn vow not to further interfere with history by keeping information about his experiences confidential. However, when the younger Spock contacted him from the Enterprise's bridge for information regarding Khan Noonien Singh, the old Spock felt obligated to respond that Khan was extremely dangerous, and that it had required a great sacrifice to stop him. (Star Trek II: The Wrath of Khan; Star Trek Into Darkness)
In the alternate year 2263, Ambassador Spock passed away of natural causes. Having been born in 2230 in his own timeline, Spock would be 162 years old at the time of his death. (TOS: "This Side of Paradise"; TAS: "Yesteryear"). However, an obituary document published upon his passing reflected the paradoxical nature of his temporal journey by stating his lifespan as "2230-2263," as if he had died at the same age as his much younger counterpart. Had Spock not been thrown back in time and remained in the prime reality, his passing would've occurred approximately in the year 2392 considering his final age.
After his death, a small cache of personal items Ambassador Spock had managed to retrieve from the Jellyfish was turned over to Commander Spock, including a photograph of the prime universe's bridge crew of the USS Enterprise from around 2287, illustrating to the younger Spock that his destiny was to serve alongside James Kirk, Leonard McCoy, and the others, for decades to come. (Star Trek Beyond)
Although half Human, Spock's physiology retained most of its Vulcan characteristics such as the green blood, the placement of his liver, (TOS: "The Apple") his strength, (TOS: "The Naked Time", "This Side of Paradise", "Operation -- Annihilate!") telepathic abilities, (TOS: "Dagger of the Mind", "A Taste of Armageddon", "By Any Other Name") and his greater lifespan (TOS: "The Deadly Years"; TAS: "The Lorelei Signal"; TNG: "Unification II"; Star Trek) when compared to the average Human. However, it should also be noted that the life he lived was still about forty years shorter than the average Vulcan, who generally lived to be around two hundred years old. (Star Trek Beyond; ENT: "Broken Bow"; TNG: "Sarek")
His Human characteristics were obvious when Sarek was in need of a blood transfusion and concern over donating his hybridized blood would be a danger to Sarek's full Vulcan physiology. (TOS: "Journey to Babel") The other instance where his Human side was evident happened during the final stages of his Kolinahr ritual acceptance. While on Vulcan performing the ritual, the V'Ger probe approached proximity and its own emotional instability affected Spock's Human emotional side which he worked so hard to repress. (Star Trek: The Motion Picture) Spock's Human side was also present when spores affected him on Omicron Ceti III. (TOS: "This Side of Paradise")
Like most Vulcans, he experienced pon farr neurochemical imbalance at least every seven years until the symptoms were remedied through ritual mating or kal-if-fee (dueling). If not dealt with, a Vulcan could die within eight days of the first symptoms. Spock experienced pon farr at least twice, once performing the kal-if-fee with Kirk's assistance, once mating with Saavik while physiologically a youth as a result of his regeneration by the Genesis Device. Both successfully relieved his symptoms of pon farr's neurochemical issues. (TOS: "Amok Time"; Star Trek III: The Search for Spock)
As of Vulcan rituals concerning death, Spock was able to transfer his katra into someone that was close to him – such as a family member – who could then transfer the katra into a large repository on Vulcan. In his case, he picked Dr. McCoy as a host for his katra when he decided to expose himself to fatal warp core radiation in order to restore warp power to the Enterprise. His corpse regenerated when his torpedo casing casket was shot towards the Genesis planet and was subjected to the Genesis cycles that rapidly evolved all life on the planet. (Star Trek II: The Wrath of Khan; Star Trek III: The Search for Spock)
After Spock received a mind meld from Captain Picard, he seemed to have accepted his Human side. He admitted to being emotionally compromised and showed some emotions when he dealt with Nero destroying Vulcan in the alternate timeline and dealing with his younger self. (TNG: "Unification II"; Star Trek)
Spock carried a lifelong interest in art, literature, poetry, music (especially the Vulcan lute and the piano), and three-dimensional chess. (TOS: "Requiem for Methuselah", "Where No Man Has Gone Before", "Charlie X", "The Cloud Minders", "Court Martial"; TAS: "The Jihad", "The Magicks of Megas-Tu") He disliked Italian food, possibly because like most Vulcans, he was a vegetarian. (TOS: "All Our Yesterdays"; TAS: "The Slaver Weapon"; Star Trek IV: The Voyage Home)
James T. KirkEdit
Spock presumably first met Kirk when the latter succeeded Christopher Pike as captain of the Enterprise in 2265. After the death of Gary Mitchell, Spock's detached and logical analysis was relied on by Kirk as a supplement to his own intuitive and impulsive nature. Their official relationship deepened into a friendship of mutual respect and love that was, without a doubt, the most important relationship of both Spock and Kirk's life. As Edith Keeler observed of Spock's place in the world, "You? At his side. As if you've always been there and always will." (TOS: "The City on the Edge of Forever") Kirk once described his Vulcan friend as "the noblest half of myself" and declared that Spock's immortal soul "is my responsibility, as surely as if it were my very own." Kirk even told Spock's father that he would never realize how important Spock was to him, and declared that, despite losing the Enterprise and his son, had he not tried to rescue his friend, "the cost would have been my soul." (Star Trek III: The Search for Spock)
The polywater intoxication that affected the Enterprise crew in 2266 led to a difficult encounter between Spock and Kirk. When Spock was urgently required by his commanding officer, an anguishedly reflective Spock was found by Kirk, Spock regretting his inability to express love even for his mother. Trying to bring the first officer around to the moment, Kirk slapped him. Spock's reaction was flat and revelatory, "Jim, when I feel friendship for you, I'm ashamed." Struck again, Spock responded in kind, sending Kirk backwards over a table. (TOS: "The Naked Time")
Spock was sympathetic to Kirk's plight after the transporter divided the captain's personality into opposite aspects. He referred to his own halves, "submerged... constantly at war with each other." Spock believed that Kirk could survive such a contest intact, and urged him to embrace the part of himself that, seemingly ugly, was crucial to his personality and captaincy. (TOS: "The Enemy Within")
After Kirk discovered emotional rage was the key to nullifying the effect of the Omicron pod plants, his first step in retrieving his crew was to taunt Spock into anger. Anticipating the result of a Vulcan's strength pitted against him, Kirk wielded a pipe for protection. After calling him an "elf with a hyperactive thyroid" and saying he belonged "in the circus, right next to the dog-faced boy," Spock indeed lost control, nearly killing Kirk before regaining control of himself. (TOS: "This Side of Paradise")
In 2267, Spock began his pon farr mating cycle, and behaved bizarrely aboard the Enterprise. Kirk called Spock "the best first officer in the Fleet" and "an enormous asset to me" as he pled with Spock to explain his actions. When told that taking Spock to Vulcan was against Starfleet orders, Kirk fired back, "I owe him my life a thousand times over! What's one career?" Joining him on Vulcan for his marriage ceremony, Kirk was drawn into T'Pring's scheme to marry another, and forced to fight Spock to the death. McCoy, knowing Kirk was endangered, faked Kirk's death, and the marriage was not consummated. Spock, despondent that he had murdered his captain, was thrilled at the sight of Kirk alive, exclaiming, "JIM!" which McCoy delighted in needling Spock about, once he gained his composure. (TOS: "Amok Time")
Kirk's understanding of Spock had an enormous impact on the parallel mirror universe, visited after a transporter accident in 2267. As Kirk's party prepared to return to their proper universe, Kirk implored the mirror Spock to re-examine his role in the fascistic Terran Empire, insisting, "One man can make a difference." Mirror Spock's consideration of those words led to his rise to dominance and reform of the Empire, with drastic consequences. (TOS: "Mirror, Mirror"; DS9: "Crossover")
When Kirk was trapped in spatial interphase during a rescue operation in Tholian space, Spock ordered the Enterprise to maintain its position in an effort to retrieve him, in spite of the danger the Tholians presented and the disruptive nature of the local space. After Kirk's assumed death, Spock and McCoy viewed the "last orders" Kirk had prepared. He urged Spock to use all the Vulcan disciplines at his disposal, tempered with intuitive insight. Kirk believed Spock had the latter qualities, but should they elude him, he was urged to seek out McCoy. (TOS: "The Tholian Web")
Kirk once commented to Captain Garth that he and Spock were "brothers". Spock merely responded, "Captain Kirk speaks somewhat figuratively, and with undue emotion, but what he says is logical and I do, in fact, agree with it." (TOS: "Whom Gods Destroy")
When Dr. Janice Lester, a former lover of Kirk's, took over Kirk's body, Spock performed a mind meld on Kirk while he was trapped in Lester's body. Spock believed Kirk was Lester before anyone else, and when Lester as Kirk ordered his execution, he continued to stand by his friend. (TOS: "Turnabout Intruder")
At the end of the Enterprise's five-year mission, a period marked by his frequent loss of emotional control, Spock chose to leave Starfleet and his friends, to pursue the Kolinahr discipline of logic on Vulcan. His return to the Enterprise during the V'ger threat was a cold event, without acknowledgment of his past friendships. In V'ger's aftermath, Spock finally achieved equilibrium, able to express his friendship for Kirk without the influence of aliens or illness, and notably lacking any threat of physical violence. In 2285, Spock was calmly able to tell Kirk, "You're my superior officer. You are also my friend. I have been and always shall be yours." (Star Trek: The Motion Picture; Star Trek II: The Wrath of Khan)
Spock's sacrifice of his own life, to save the Enterprise from Khan's detonation of the Genesis Device, deeply affected Kirk. At his funeral, Kirk could only bring himself to say of Spock, "Of all the souls I have encountered in my travels, his was the most... Human." (Star Trek II: The Wrath of Khan)
The revelation that Spock's katra, his living spirit, survived in the tormented mind of McCoy, led Kirk to risk his career, and in turn, his crew's. He first asked Admiral Harry Morrow for permission to retrieve Spock's body from the Genesis Planet, to bring it, and McCoy, to Vulcan. Kirk insisted that any chance to save Spock's soul was his responsibility, "as surely as if it were my very own." His request declined, he told his crew, "the word is No. I am therefore going anyway." With the help of Uhura, Scotty, Sulu and Chekov, Kirk rescued McCoy from confinement and commandeered the Enterprise from Earth Spacedock. The renegade mission would see the death of Kirk's ship, and his son. Finding Spock's body re-animated by Genesis, Kirk brought him and McCoy, to Vulcan for the fal-tor-pan (re-fusion) ritual. The first person Spock recognized was Kirk: "Jim. Your name, is Jim." (Star Trek III: The Search for Spock)
During their homecoming from Vulcan, and eventually their trip to 1986, Kirk tried to remind the resurrected Spock, suffering from memory loss, of their friendship and past adventures together. After Kirk and the crew's trial, Spock told his father, his "associates" were his friends. (Star Trek IV: The Voyage Home)
In 2287, Spock accompanied Kirk and McCoy on a camping trip together at Yosemite National Park, which abruptly ended when Spock's half-brother, Sybok, diverted the Enterprise to Nimbus III. After their adventure on Sha Ka Ree and Sybok's death, Kirk referred to Spock once again as his "brother", and told him and McCoy that they were his real family. (Star Trek V: The Final Frontier)
When Spock later entered the alternate reality, he told the James T. Kirk of that reality of their deep friendship, despite the fact that the alternate Spock had marooned Kirk on Delta Vega. Before returning Kirk, along with Scotty's counterpart, to the USS Enterprise (revealing to this Scotty an advancement in transporter technology over a century before his prime counterpart perfected it), Spock – who in this reality had designed the Kobayashi Maru simulation and openly begrudged Kirk outsmarting it – was reminded that this could be viewed as "cheating", to which he replied that an "old friend" – namely, Kirk – had taught him how to cheat.
Later, when Spock Prime spoke to his own alternate reality counterpart about that universe's Kirk, he explained that he had resorted to a level of subterfuge in order to inform both men of the necessity of their friendship, both to themselves and to others. Spock Prime explained, "I could not deprive you of the revelation of all that you could accomplish together, of a friendship that will define you both in ways you cannot yet realize." (Star Trek)
The relationship between Spock and Dr. Leonard McCoy seemed a little strained at times on McCoy's part because of his taunts about Spock's green blood and lack of emotion. However, there was an obvious respect and friendship among James T. Kirk, Spock and McCoy. McCoy, in fact, was one of the two friends Spock requested to join him in his marriage ceremony. (TOS: "Amok Time")
While he would rarely do so without provocation, Spock was also quite capable of turning the tables on the doctor. During Kirk's court-martial, after an astonished McCoy discovered him in the briefing room playing chess against the ship's computer, Spock casually allowed him to assume the worst (to the point of thanking him after the furious doctor had said he was "The most cold-blooded man I've ever known"), waiting until he reached the door to reveal that he had been victorious in four consecutive games – since the computer, whose account of the incident was the main evidence against Kirk, was programmed to be unbeatable, this proved that it had been tampered with (something only Kirk, Spock, and the "dead" Commander Finney were authorized to do), and cast doubt on the credibility of its account, keeping the trial going long enough to discover that Finney was, in fact, alive. Later that year, after the Enterprise crew had defeated the androids on planet Mudd (beings almost Vulcan-like in their lack of emotion and their "logical, pragmatic" thinking), McCoy told Spock that he must be quite unhappy to see that "poor, illogical" Humans were able to fairly defeat them, Spock responded that this was quite satisfactory, as nobody needed him and his logical ways as much as a ship full of humans. (TOS: "Court Martial", "I, Mudd")
Sybok, Spock's elder half-brother, encountered Spock on Nimbus III in 2287, shortly before Sybok hijacked the USS Enterprise-A for his quest to find Sha Ka Ree in the Great Barrier. Spock had remained silent on the subject of his brother for decades, not even telling Kirk until Sybok had already taken control of the Enterprise. At first, Spock was extremely distant from him, but following Sybok's death, he realized what he had lost. (Star Trek V: The Final Frontier)
When Spock experienced his pon farr of 2267, he succumbed to the madness of the plak tow mating instinct. The Enterprise diverted to Vulcan in time to consummate the marriage. Accompanied by Kirk and McCoy, Spock arrived at his family's ancient koon-ut-kal-if-fee site for the wedding ceremony officiated by the matriarch T'Pau. Unexpectedly – but within the bounds of Vulcan tradition – T'Pring demanded the challenge of kal-if-fee, forcing Spock to earn the right to marry his bride through victory in personal combat. Rather than her prospective consort Stonn, T'Pring chose Kirk as her champion.
Unwilling to appear weak or disrespectful in front of the legendary T'Pau, Kirk agreed to fight his first officer. Between rounds using the lirpa and ahn-woon weapons, T'Pau belatedly revealed the combat was "to the death," and it became clear that Kirk had little chance against Spock in the throes of his blood fever. McCoy intervened, deceptively dosing Kirk with a drug that simulated his death.
Spock's plak tow subsided after his apparent victory. Appalled at the turn of events, Spock calmly questioned T'Pring's decisions. T'Pring admitted her distaste for Spock's growing fame among Vulcans, and her mutual attraction to Stonn. By her logic, choosing Kirk meant neither victor would claim her in the end, and she would have her life with Stonn. Spock acknowledged her logic and advised Stonn that he would find that "having... is not so pleasing a thing after all... as wanting."
When the Psi 2000 intoxication infected the crew of the Enterprise in 2266, Nurse Christine Chapel admitted her love for Spock, who was thereupon emotionally shocked. Her love for him was an ongoing issue, but never interfered with her professional duties. (TOS: "The Naked Time")
Chapel once housed Spock's consciousness to keep him from being destroyed by Henoch. They were later forced by powerful telepaths to kiss each other, but neither enjoyed the forced situation. (TOS: "Return to Tomorrow", "Plato's Stepchildren")
While under the spell of Harry Mudd's love potion, Spock became infatuated with Chapel, and was willing to fight for her love. However, the potion eventually wore off and then Chapel, as a side effect of the drug, seemed to hate Spock for a brief time. Spock commented to Mudd that a few brief moments of love being paid for with several hours of hatred is scarcely a bargain. (TAS: "Mudd's Passion")
On stardate 3417, Spock was infected by Omicron spores while on Omicron Ceti III by Leila Kalomi, who was serving as the Omicron colony's botanist. The spores broke down Spock's emotional control, and he confessed his love for Kalomi. Their time together was short-lived, however, as Kirk deduced a method of destroying the spores with intense emotion and induced anger in Spock.
Once free from the spores, Spock freed Kalomi and the rest of the planet from their influence. He later reflected that his time with Kalomi was the first time in his life at which he had felt happy. (TOS: "This Side of Paradise")
"Live long and prosper."
"I happen to have a Human thing called an adrenaline gland."
"That does sound most inconvenient, however. Have you considered having it removed?"
"Try to cross brains with Spock, he'll cut you to pieces every time."
"I am endeavoring, ma'am, to construct a mnemonic circuit using stone knives and bearskins."
- - Spock, to Edith Keeler regarding his frustrations with early twentieth century technology (TOS: "The City on the Edge of Forever")
"A curious creature. Its trilling seems to have a tranquilizing effect on the Human nervous system. Fortunately, of course, I am ... immune ... to ... its ... effect..."
(To Alice 27) "I love you."
(To Alice 210) "However, I hate you."
"But I am identical in every way with Alice 27!"
"Exactly. That is exactly why I hate you; because you are identical."
[The androids violently malfunction.]
"'Fascinating' is a word I use for the unexpected. In this case, I should think 'interesting' would suffice."
"I have been, and always shall be, your friend."
- - Spock, stated to Kirk at least three times – as his dying words, his first fully conscious words (recalling the previous conversation) after rebirth, and, in the alternate reality, after recognizing the young Human he just saved from a hengrauggi as that universe's James T. Kirk (Star Trek II: The Wrath of Khan; Star Trek III: The Search for Spock; Star Trek)
"Jim. Your name is Jim."
- - Spock (Star Trek III: The Search for Spock)
"If I were Human, I believe... my response would be 'Go to Hell.' If I were Human."
- - Spock, giving his opinion on Starfleet's decision to retire the USS Enterprise and her crew (Star Trek VI: The Undiscovered Country)
"Billions of lives lost, because of me, Jim, ... because ... I failed."
- -Spock blames himself for the destruction of Romulus and Vulcan in a mind meld with James T. Kirk (Star Trek)
Kirk and SpockEdit
"Have I ever mentioned you play a very irritating game of chess, Mr. Spock?"
"Irritating? Ah, yes: one of your Earth emotions."
"Your illogical approach to chess does have its advantages on occasion, captain."
"I prefer to call it 'inspired'."
"As you wish."
"You'd make a splendid computer, Mr. Spock."
"That is very kind of you, captain!"
"So, we're stranded here, in the middle of a Klingon occupation army."
"So it would seem. Not a very pleasant prospect."
"You have a gift for understatement, Mister Spock. It's not a very pleasant prospect at all."
"You didn't really think I was going to beat his head in, did you?"
"I thought you might."
"Well, Mr. Spock, if we can't disguise you, we'll find some way of explaining you."
"That should prove interesting."
"My friend is obviously Chinese. I see you've noticed the ears. They're actually easy to explain."
"Perhaps the unfortunate accident I had as a child."
"The 'unfortunate' accident he had as a child. He caught his head in a mechanical... rice picker."
- - Kirk and Spock, attempting to explain Spock's appearance to a 20th century police officer (TOS: "The City on the Edge of Forever")
"Don't grieve, Admiral. It's logical. The needs of the many... outweigh..."
"The needs of the few."
"Or the one. I never took the Kobayashi Maru test, until now. What do you think of my solution?"
- -Spock and Kirk, as Spock is dying (Star Trek II: The Wrath of Khan)
"The needs of the many outweigh the needs of the few."
Awards and achievementsEdit
- Twice decorated with awards of valor by Starfleet Command (TOS: "Court Martial")
- Vulcanian Scientific Legion of Honor (TOS: "Court Martial")
- The Vulcan IDIC (TOS: "Is There in Truth No Beauty?")
- An A-7 computer expert classification (TOS: "The Ultimate Computer")
- Innovator of time travel methodologies: the warp drive cold start and the "slingshot" maneuver (TOS: "The Naked Time", "Tomorrow is Yesterday")
- Twice recommended for commendations by Captain Kirk. (TOS: "Space Seed", "The Immunity Syndrome")
Spock wears a total of nine medals in 2269, not counting the IDIC medal he wore in "Is There in Truth No Beauty?" It is likely he accumulated a great many more decorations by the time of his eventual retirement in the late 2290s.
- TOS: (every episode)
- TAS: (every episode)
- Star Trek films:
- DS9: "Trials and Tribble-ations" (archive footage; DS9 Season 5)
Background information Edit
Spock was played by Leonard Nimoy in nearly all of the character's television and cinematic appearances. The Genesis-regenerated versions of Spock at nine, thirteen, seventeen, and twenty-five years of age in Star Trek III: The Search for Spock were portrayed by Carl Steven, Vadia Potenza, Stephen Manley, and Joe W. Davis, respectively. Spock's screams in that film were provided by Frank Welker. The young Spock from TAS: "Yesteryear" was voiced by Billy Simpson. Carey Scott recorded some dialogue for a younger Spock in Star Trek V: The Final Frontier, but his scenes were cut. And while Nimoy portrayed the elder Spock in the film Star Trek, his younger version was played by Zachary Quinto and briefly by Jacob Kogan. Nimoy reprised the role of Spock for a cameo in Star Trek Into Darkness.
Jane Wyatt, who played Spock's mother Amanda Grayson, was once asked by fans at a convention what Spock's first name was. She replied, perhaps jokingly, "Harold".  However, the question itself was flawed, since the episode "Journey to Babel" makes it clear that "Spock" is Spock's personal name.
On the other hand, Spock's family name has never been established in canon. In the episode "This Side of Paradise", Leila Kalomi says to Spock, "You never told me if you had another name," to which he replies, "You couldn't pronounce it." D.C. Fontana – who was considered the "Vulcan expert" of the TOS behind-the-scenes staff and who created such details as the fact that Spock's father was an ambassador and his mother a school teacher – revealed, in an issue of the fanzine Spockanalia, that she had intended his family name to be "Xtmprsqzntwlfd", but since this is unpronounceable, there wasn't really any way to get this said in dialogue during an episode.
Since the release of the film Star Trek, the original reality version of Spock is now often referred to on websites and other media as "Spock Prime", to differentiate from the alternate reality version of the character.
From concept to series Edit
From the start of thinking Spock up, Gene Roddenberry knew he wanted the character to be partly alien, and that he wanted Leonard Nimoy to play the role. Roddenberry later explained, "I made [Spock] a half-caste, because I remember thinking a half-breed Indian would be a lot more interesting than a full-blooded Indian or white, because he's going to be tugged in many different directions." (Star Trek - Where No One Has Gone Before, p. 15)
Gene Roddenberry also wanted Spock's appearance to be very similar to typical portrayals of Satan the Devil. "I did purposely give him a slight look of the 'devil' because I thought that might be particularly provocative to women, particularly when his nature contrasted so greatly to this," Roddenberry stated. 
- "The First Lieutenant. The Captain's right-hand man, the working-level commander of all the ship's functions – ranging from manning the bridge to supervising the lowliest scrub detail. His name is Mr. Spock. And the first view of him can be almost frightening – a face so heavy-lidded and satanic you might almost expect him to have a forked tail. Probably half Martian, he has a slightly reddish complexion and semi-pointed ears. But strangely – Mr. Spock's quiet temperament is in dramatic contrast to his satanic look. Of all the crew aboard, he is the nearest to Captain April's equal, physically, emotionally, and as a commander of men. His primary weakness is an almost catlike curiosity over anything the slightest 'alien.'"
In the revised first draft script of "The Cage" (dated 6 October 1964), Spock was described thus; "The only exception to the familiar types represented by the crew, Mister Spock is of partly alien extraction, his reddish skin, heavy-lidded eyes and slightly-pointed ears give him an almost satanic look. But in complete contrast is his unusual gentle manner and tone. He speaks with the almost British accent of one who has learned the language in textbooks." The episode's revised final draft script (dated 20 November 1964) excluded mention of the "reddish skin" but otherwise remained the same. Later in the script, one of Spock's statements was directed to be delivered in an "excited" manner.
According to Casting Director Joseph D'Agosta, it was his recommendation that the role be played unemotionally. "On the Spock character, the only guidelines I had were that he had to be thin, and a good actor with no emotion," D'Agosta stated. "He was a cold, calculating, logical person. Humor was not even considered at that time." (The Star Trek Interview Book, p. 213)
In spite of studio request to get rid of the "guy with the ears," Gene Roddenberry insisted on keeping the character through both pilot episodes of the series, and Spock became one of the most enduring symbols of Star Trek.
According to Leonard Nimoy, he felt the need to play the character as more emotional when Jeffrey Hunter was playing the internalized Christopher Pike, as opposed to William Shatner's portrayal of Captain Kirk. (Mind Meld: Secrets Behind the Voyage of a Lifetime; et al.) Also, there was room for Spock's emotional detachment when the similarly emotionless character of Number One was discarded along with Pike, after "The Cage". (Star Trek - Where No One Has Gone Before, p. 15)
- "Science Officer Spock has a precise, logical turn of mind inherited from his father (a native of the planet Vulcanis, who married an Earth woman). Because Vulcanians regard any display of emotion as a breach of good taste, Spock rarely betrays what he is thinking or feeling, either by his speech or his facial expression. He cannot, however, mask his cat-like curiosity about everything of alien origin. This sometimes proves to be his Achilles-heel."
The nonemotional quality of Spock's persona was extremely appealing to Leonard Nimoy. "What immediately intrigued me was that here was a character who had an internal conflict," Nimoy observed. "This half-human, half-Vulcan being, struggling to maintain a Vulcan attitude, a Vulcan philosophical posture and Vulcan logic, opposing what was fighting him internally, which was Human emotion. There was a dynamic there to work with from an acting point of view." (Star Trek - Where No One Has Gone Before, p. 15)
Gene Roddenberry recognized Spock as a team effort. "I'll take credit for formulating Spock and guiding the character," he said, "then give as much credit to Leonard Nimoy for making it work, and also credit to the writers who kept it going in many story situations."  On the other hand, Roddenberry proclaimed, in a letter to Isaac Asimov, "It's easy to give good situations and good lines to Spock." Roddenberry also thought it was easier to write Spock than it was to write McCoy. 
- "MISTER SPOCK": Played by Leonard Nimoy, this is the ship's science officer, in charge of all scientific departments aboard. As such, he is the ship's number two ranking officer and holds the rank of commander.
- "His bridge position is at the library-computer station, which links the bridge to the vessel's intricate 'brain', a highly sophisticated and advanced computer that interconnects all stations of the ship. From his central panel, Spock can tap resources of the entire computer system – including a vast micro-record library of man's history... plus all known information on other solar systems, Earth colonies, alien civilizations, a registry of all space vessels in existence, personnel information on any member of the USS Enterprise, or almost anything else needed in any of our stories...
- "Mister Spock's mother was Human, his father a native of the planet Vulcan. This alien-Human combination results in Mister Spock's slightly alien features, with the yellowish complexion and satanic pointed ears... He has a strange Vulcan 'ESP' ability to merge his mind with another intelligence and read the thoughts there. He dislikes doing so since it deprives him of his proud stoic mannerisms and reveals too much of his inner self...
- "We now realize that Spock is capable of feeling emotion, but he denies this at every opportunity. On his own planet, to show emotion is considered the grossest of sins. He makes every effort to hide what he considers the 'weakness' of his half-Human heredity."
Season 2 salary issue Edit
In the spring of 1967, before production began on Star Trek's second season, Lenard Nimoy and his agent got into an argument with the producers regarding the actor's salary (Nimoy felt it unfair that series star William Shatner was paid US$5,000 per episode, while he, playing an equally important and much more popular character, was only paid US$1,250). The agent wanted US$3000 per episode for his client, and would settle with US$2,500. However, a misunderstanding resulted in the agent believing that Mission: Impossible stars had at least US$11,000 salaries, so he suddenly demanded US$9,000 for Nimoy. The studio, of course, relented. Nimoy threatened to leave the series if the dispute was not solved.
In response to Nimoy's threats, Desilu executive Herb Solow asked Casting Director Joseph D'Agosta to compile a list of possible "Vulcan replacements", in case negotiations went unresolved. Three lists were made of actors who were deemed suitable for the role of Spock:
"A" List: Mark Lenard, William Smithers, Liam Sullivan, Lloyd Bochner, Joe Maross, Donald Harron, Edward Mulhare, James Mitchell, Michael Rennie, Peter Mark Richman, Charles Robinson, Chris Robinson, Stewart Moss, David Canary, John Anderson, David Carradine
In reality, these lists were only a psychological ploy to put pressure on Leonard Nimoy and his agent. The only two actors considered as possible replacements were Mark Lenard and Lawrence Montaigne (ironically, both of them appeared as Vulcans in the second season, Lenard playing Spock's father, Sarek).
NBC regarded Spock and Nimoy as the most popular part of the series, and believed that losing them would be very unflattering. Finally, Desilu (at the insistence of NBC) and Nimoy settled with US$2,500 per episode, plus US$100 for additional expenses, a better billing, a better merchandising deal, and more script input. However, when Montaigne was cast as Stonn in "Amok Time", his contract had an option of recalling him to be cast as Spock, "just in case." (Inside Star Trek: The Real Story, pp. 317-324)
Animated depictions Edit
For approximately half an hour while Star Trek: The Animated Series was in early development, a boyhood version of Spock was considered for inclusion as a regular character in the upcoming series, along with other child equivalents of the series' main characters. (The Art of Star Trek, pp. 42 & 43)
While initially developing TAS: "Yesteryear", D.C. Fontana realized she wanted to feature Spock in the story, since he had always been her favorite main character and was the focus of her favorite episodes from the ones she had written for Star Trek: The Original Series, such as "This Side of Paradise" and "Journey to Babel". (Star Trek - Where No One Has Gone Before, p. 56) She was excited by the prospect of showing "part of what made Spock Spock," delving into his backstory in "Yesteryear". (Captains' Logs: The Unauthorized Complete Trek Voyages, p. 97)
The notion of Spock suffering racial prejudice, alluded to in TAS: "Yesteryear" and the film Star Trek, was shared by the unmade prequel Star Trek: The First Adventure, in which Spock first met Kirk when he was defended by him from bullies at Starfleet Academy.
In an interview with Trekmovie.com's Anthony Pascale in July 2007, Leonard Nimoy explained that he felt Spock had been superfluous in the script of Star Trek Generations and that that was why he had chosen not to appear in the film. Nimoy initially proclaimed, "There was no Spock role in that script," then elaborated, "There were five or six lines attributed to Spock [...] but it had nothing to do with Spock. They were not Spock-like in any way. I said to Rick Berman, 'You could distribute these lines to any one of the other characters and it wouldn't make any difference.' And that is exactly what he did. There was no Spock function in the script." 
In a memo he wrote Manny Coto (on 20 August 2004), Mike Sussman suggested that both an elderly Spock and a young version of the character be featured in a story covering an episode or two from the fourth season of Star Trek: Enterprise, if Leonard Nimoy was interested in appearing. As Sussman proposed, the older depiction of Spock would have been portrayed, in a framing story, by Nimoy, while the young Spock would have been played by another actor (a technique inspired by the portrayal of Indiana Jones in a two-parter from The Young Indiana Jones Chronicles called "Mystery of the Blues", which features not only a young version of Jones, but also a middle-aged Jones, played by Harrison Ford). In the same memo, Sussman envisioned Spock in the 24th century, as a "distinguished and retired Ambassador," being visited by a young Vulcan/Human hybrid who sought advice for balancing the two halves of his own personality. The elderly Spock then began recounting an adventure that took place in the early 23rd century, in which he, as a Starfleet cadet, assisted a middle-aged T'Pol, learning, in the process, "some lesson which helped him choose his own path in life." Sussman went on to suggest that a lot of new details about Spock could be divulged in the story, possibly including that, in his young adulthood, he had been torn between life as a diplomat (like his father) and a Starfleet career. The memo continued by proposing that Spock's mission include the now-aged other senior officers from Enterprise NX-01, and be "a secret and possibly illegal TBD mission." However, this Spock story ultimately wasn't developed. 
Roberto Orci, a co-writer of the film Star Trek, has cited Spock as his favorite character, and wrote the character as being essential to the reboot without considering a back-up story, had Leonard Nimoy turned down appearing in the film. He recalled Nimoy raised his eyebrow at the idea of the destruction of Vulcan.  Commented J.J. Abrams, "Leonard was a dream to work with. He was always incredibly encouraging and excited about what he was seeing. He had a couple of thoughts, but he loved everything related to his role [....] He was happy to see Spock look so damn good!" (Star Trek: Costumes: Five Decades of Fashion from the Final Frontier, p. 240)
After the making of the film Star Trek, Leonard Nimoy retired (again) from acting and publicly stated that he did not intend to return to the role of Spock again, as he felt that to do so would be unfair to Zachary Quinto. Nimoy even went as far as to say, "I definitely will not be in Star Trek 2," and, "I think I can be definitive about the fact that I will not be in it." (SFX, issue #200, p. 68) However, it was eventually confirmed that he would indeed be returning to the role of Spock for the sequel, Star Trek Into Darkness.   Regarding how J.J. Abrams invited him to make a cameo appearance in the film, Nimoy recalled, "He just said, 'Would you come in for a couple of days and do me a favor.'" Whereas Nimoy had declined to cameo in Star Trek Generations because he felt Spock's part in that movie had been too general, Nimoy was persuaded that Spock had such a specific role in Star Trek Into Darkness that he was willing to accept the part. Addressing why he had claimed not to be in the film, Nimoy, who was very pleased that the truth of his involvement was kept secret, initially said, "I was asked time and time again if I was in the movie, and I managed to avoid answering without lying." He laughed, but was then reminded that he had flat-out denied being in the film and replied, "Maybe I was confused. Of course, speaking, if you’ll pardon me, logically, I wouldn’t know if I was in the movie until I saw the movie."  His cameo marked Nimoy's final appearance as Spock and his final role overall prior to his death in February 2015.
Other language voice actors Edit
Herbert Weicker (4 September 1921 – 29 May 1997; age 75) was a German stage and voice actor who is widely associated with Spock, since he voiced this character in all German translations of episodes and films with the exception of the first run of Star Trek: The Animated Series.
The Star Trek Chronology listed Spock as having been promoted from lieutenant commander to full commander following "Court Martial". This was apparently the result of mishearing a captain's log entry that Kirk makes in "The Menagerie, Part I", where Spock is still identified as a lieutenant commander. He is also referred to as a lieutenant commander in "Tomorrow is Yesterday" and was first referred to as a commander in "Amok Time", indicating the promotion occurred between those two episodes. Somewhat oddly, even when he was a lieutenant commander during the first season, he still wore a full commander's stripes.
The events of Star Trek II: The Wrath of Khan and Star Trek VI: The Undiscovered Country show Spock having full command of the Enterprise, the latter having Spock outrank Kirk as he was in command of the entire mission. However, the events of "The Cage" and Star Trek: The Motion Picture show Spock having a lower rank than First Officer.
Spock's heritage was explored in a book about Star Trek science; it was determined that a Vulcan/Human hybrid is biologically impossible, as Vulcan blood was copper-based, while Human blood is iron-based – copper and iron are chemically incompatible. (citation needed • edit)
In the novel Crossover, Spock and several unificationists were captured by the Romulan Empire. He was ultimately rescued by Scotty, Commander Riker, Data, and Geordi La Forge aboard the USS Yorktown that Scotty stole from a Starfleet museum using the shuttle he was given by Picard to control the Yorktown's computer. After believing Scotty dead for 75 years, Spock was momentarily startled to see him behind the transporter controls, but quickly regained his control. Scotty promised to explain how he reached the 24th century later to Spock.
In the novel The Fire and the Rose, Spock began to lose his emotional control after hearing of the death of Captain Kirk, and eventually returns to Gol to take Kolinahr training again. Spock ultimately succeeded and became truly emotionless, a situation that neither Sarek nor Amanda agreed he should have tried to do. Amanda in particular, felt Spock had rejected his humanity and therefore in some measure, her by extension. Spock's lack of emotion also ultimately alienated McCoy when he came to ask Spock to stand with him at his wedding to Tonia Barrows and Spock refused. Ultimately, after Amanda's death in a shuttle accident and Spock seeing Sarek grieve for Amanda (which surprised Spock as he mistakenly believed Sarek to have also been a student of Kolinahr), and when Spock realized that he can't grieve for Amanda and that he didn't even miss her, he sought McCoy out on Earth to help him engage in an ancient Vulcan ritual to reverse the Kolinahr, allowing Spock to feel emotions again. This accomplished, Spock rebuilt his relationship with McCoy, was able to grieve for his mother and Captain Kirk, and once again found the balance and peace between his Vulcan and Human halves, allowing him to have emotional control again without rejecting his emotions.
In the novel Provenance of Shadows, Spock, having been contacted by McCoy's wife Tonia Barrows, and told that McCoy was taking a turn for the worse, went to see McCoy because he had regretted that he didn't get to see either Kirk or his mother once more before their deaths, and he was not going to make that mistake this time. Spock did spend the day with McCoy and planned to return the next day, but as he left McCoy's house, Spock was left with the impression he would never see McCoy alive again. Spock's feelings are proved correct as McCoy does die peacefully in his chair on the porch that same evening before Spock can return, with Tonia by his side, reflecting on his life and the good work he's done and his family and friends.
In the novel Vulcan's Forge, Spock commanded the science ship Intrepid II in 2294, a year after Kirk was lost in the Nexus. Within the story, Uhura was Spock's first officer and McCoy his chief medical officer.
Other novels set after Star Trek VI established that Picard was at the wedding of Spock and Saavik met Sarek.
In the game Star Trek: Armada, Ambassador Spock was sent aboard a Galaxy-class starship to mediate a treaty between the Klingon and Romulan empires on Romulus. The Borg intercepted this ship and assimilated him. The Enterprise traveled 2 days back to make sure he reached the peace conference. The plan succeeded, resulting in Romulan and Klingon ships being dispatched to assist the Federation in defending Earth.
In the comic series Star Trek: Countdown, leading up to Star Trek, Spock was aided in his attempts to help convince the Vulcans to provide the Romulans with the red matter necessary to stop the impending supernova explosion by Jean-Luc Picard, who was now Federation Ambassador to Vulcan, as well as by a restored Data, who was now captain of the Enterprise. Also, the comic established that Geordi La Forge had designed the Jellyfish, which Spock used to drop the red matter into the supernova. Just after the Jellyfish and the Narada were pulled through the black hole and into the alternate reality, the black hole finished collapsing and the Enterprise arrived in the area finding no indication anywhere that Spock managed to escape. Presuming Spock to be dead, Picard said that he hoped his friend's soul did indeed live long and prosper.
In the novelization of Star Trek, after Kirk told Spock that Dr. McCoy, Sulu, Chekov, and Uhura – all but one of the group of officers who had once been willing to throw away their careers to save him – were all serving on the USS Enterprise (taking McCoy's presence for granted when following the confirmation of the other three), Spock suggested to Kirk that their meeting, and the way the crew was already coming together, was the work of the timeline attempting to "fix" itself. As for the one person not yet aboard the ship, he had been well aware that Scotty was stationed at the outpost, which he had visited on occasion for supplies – though it wasn't clear whether they had actually met – but he had a made a point of keeping his distance. This self-imposed isolation was the only reason that he happened to be at the right place with a torch as the hengrauggi wrapped its tongue around Kirk's leg, which struck him as yet more evidence to support his theory – Kirk's arrival made it clear that the three had converged there for a reason, since he could give Scott the basics of his own invention, and therefore return Kirk to the Enterprise, with a way to take his rightful place in command (seeing that the young officer was obviously unaware of Regulation 619, he admitted to having forgotten how insignificant such things had been to the Kirk he knew so well), and hopefully be able to minimize the damage to the timeline.
In the comic series Star Trek: Spock: Reflections, the events leading up to Countdown were detailed.
Leonard Nimoy and Zachary Quinto also lent their voices to Star Trek Online; Nimoy reprised his role as Spock and narrated key events to players, while Quinto voices an EMH who helps the player though the tutorial level.