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(written from a Production point of view)
The Big Bang Theory is a CBS (owner of the Star Trek television franchise) sitcom about four science nerds and the hot girl who lives across the hallway. The four scientists are rabid science fiction fans and collectors of memorabilia thereof, Star Trek in particular, resulting in the show featuring a constant flow of Star Trek references in the vast majority of the show's episodes. The show features Brian George as Raj's father, Keith Carradine as Penny's father, Pasha Lychnikoff as a cosmonaut on the International Space Station, and Mark Harelik as the CalTech physics department chairman. Star Trek actors Wil Wheaton, Leonard Nimoy, George Takei, LeVar Burton, and Brent Spiner have all made appearances on the show, as fictionalized versions of themselves. Cast member Kaley Cuoco also played William Shatner's daughter in Priceline.com commercials, and Iris Bahr had appeared in the original unaired pilot for the show.
original unaired pilotEdit
"The Pancake Batter Anomaly"Edit
Sheldon and Leonard play three-dimensional chess.
"The Bat Jar Conjecture"Edit
The episode begins with Howard announcing new info on the then-upcoming Star Trek film, which leads into a discussion about alien private parts and Spock's conception. Later Sheldon is persuaded to join in the Physics Bowl by quoting Spock's dying words. Sheldon makes up TOS uniform-style shirts for his Physics Bowl team, with his teammates as redshirts. Ultimately in the final scene, to satisfy who is smarter between Leonard and Sheldon, Penny asks multiple real-world questions for which they are only able to give Star Trek-like answers, including Patrick Stewart or William Shatner being the Sexiest Man Alive and Tweety Bird thinking he saw a Romulan.
"The Nerdvana Annihilation"Edit
The guys purchase a time machine prop from the movie The Time Machine and they decide to play with it. They wonder what time date to travel to and Sheldon suggests to Leonard that he should travel to the future to obtain a cloaking device and references "The Enterprise Incident". Sheldon gives the stardate of this episode as 5027.3, which supposedly converts to January 10th, 2328. The stardate is correct, but traditionally the episode is placed in 2268.
Later, Leonard threatens to open up a Geordi La Forge action figure that's still in its original packaging.
"The Bad Fish Paradigm"Edit
"The Codpiece Topology"Edit
"The Panty Pinata Polarization"Edit
"The Lizard-Spock Expansion"Edit
Sheldon expands the game of Rock-Paper-Scissors with additional options of "Lizard" and "Spock," the latter symbolized by the Vulcan live-long-and-prosper hand gesture. It was used initially to determine whether or not to watch Star Trek: Deep Space Nine. Later, Sheldon and Raj argue whether Star Trek: The Motion Picture or Star Trek V: The Final Frontier is the worst Trek movie, and whether Star Trek II: The Wrath of Khan or Star Trek IV: The Voyage Home is the best.
"The White Asparagus Triangulation"Edit
Sheldon compares Dr. Stephanie Barnett as the Leonard McCoy to their social group's "landing party" and gives a somewhat off version of the Vulcan salute when he notices her observing the conversation.
"The Bath Item Gift Hypothesis"Edit
Penny gives Sheldon a used napkin autographed by Leonard Nimoy as a Christmas present. She apologizes because Nimoy wiped his mouth with it, but Sheldon is even more grateful, as now he has Nimoy's DNA.
"The Dead Hooker Juxtaposition"Edit
Penny compares the main characters' social naivete to not knowing how to put up their shields like on Star Trek.
"The Hofstadter Isotope"Edit
"The Vegas Renormalization"Edit
Sheldon's frequent answer of Spock during Twenty Questions.
"The Classified Materials Turbulence"Edit
Leonard says that Howard's zero-gravity toilet for the International Space Station will allow its crew "to boldly go where no man has gone before."
"The Electric Can Opener Fluctuation"Edit
Penny references Star Trek as part of her comforting of Sheldon after he learns Leonard, Howard, and Raj had faked his discovery of magnetic monopoles in order to keep him happy. Sheldon wears a goatee resembling the one Spock wears in TOS: "Mirror, Mirror". A recurring joke is Sheldon's "Vulcan hearing."
"The Creepy Candy Coating Correlation"Edit
Sheldon states he used to be a Wil Wheaton fan until Wil abruptly pulled out of a convention Sheldon had traveled ten hours by bus to attend and get his autograph. During a customizable card game tournament Wil is participating in, Sheldon constantly quotes Khan Noonien Singh from Star Trek II: The Wrath of Khan.
"The Adhesive Duck Deficiency"Edit
Trying to get Sheldon to drive faster, Penny says, "Warp speed ahead, Mr. Spock", to which Sheldon replies that that order would never be given to the science officer, but to the navigator/helmsman instead.
"The Bozeman Reaction"Edit
"The Excelsior Acquisition"Edit
Sheldon reveals that Leonard Nimoy took a restraining order out against him after receiving one from Stan Lee. Additionally, when Leonard is asking Penny to guess who Stan is, she incorrectly assume he was on Star Trek.
"The Precious Fragmentation"Edit
"The Pants Alternative"Edit
"The Wheaton Recurrence"Edit
"The Staircase Implementation"Edit
"The Lunar Excitation"Edit
As Howard and Raj, having secretly signed Sheldon up with an online dating service, try to convince him to at least meet the woman he has been matched with, Raj reminds him that even Spock dated once every seven years, so Sheldon quickly shoots back that pon farr had nothing to do with dating: "His blood boiled with mating lust".
Season 4 promotional adsEdit
In one, Sheldon builds a TOS transporter to beam them (with Star Trek: The Next Generation-style visual effects) from their old Monday night timeslot to Thursday. In another he and Leonard again play three-dimensional chess while discussing the move.
"The Hot Troll Deviation"Edit
"The Apology Insufficiency"Edit
"The 21-Second Excitation"Edit
Leonard mentions how they all waited fourteen hours to see Star Trek Nemesis. Later, when Wil Wheaton jumps the line to see Raiders of the Lost Ark, Sheldon quotes Picard's "The line must be drawn HERE!" line from Star Trek: First Contact.
"The Boyfriend Complexity"Edit
Howard and Raj play a game of Star Trek-themed battleships. When Howard notices that two squares are a hit but the one in the middle is a miss, Raj comments that his Starship has a hole in the middle. When asked what starship has a hole in the middle, Raj says "a Romulan battle bagel."
"The Alien Parasite Hypothesis"Edit
"The Bus Pants Utilization"Edit
Sheldon's passive-aggressive stance against the guys for kicking him out of their app design team includes playing the TOS theme on a theremin.
"The Love Car Displacement"Edit
Leonard uses the Romulan Neutral Zone as a metaphor for how he and Penny will share a bed without becoming intimate. When he suggests they do get intimate in the context of how often the Neutral Zone was entered by both the Federation and Romulan Star Empire, Penny says she's raised shields over the lower half of her body.
"The Thespian Catalyst"Edit
"The Toast Derivation"Edit
Sheldon invited LeVar Burton over to the apartment via Twitter. At the end of the episode, he sticks his head in and gets too weirded out by the sight of three other guys singing karaoke. He then leaves and says he's so done with Twitter.
"The Prestidigitation Approximation"Edit
Leonard says to Priya that the only Star Trek uniforms he has are the everyday and dress ones from the Original Series, and then she reveals that Raj has an Uhura dress when Leonard suggests she wear one.
"The Zarnecki Incursion"Edit
Sheldon carries a bat'leth with him to the house of the guy who hacked his World of Warcraft account.
"The Agreement Dissection"Edit
Sheldon cites "Let That Be Your Last Battlefield" as his inspiration for blackmailing Leonard into signing a new roommate agreement that favors him. He then shows an okudagram-styled auto-destruct-esque countdown timer on his laptop showing how much time Leonard has before Priya's parents are e-mailed about her dating Leonard. Sheldon then tells her that while she may have gone to the Faculty of Law at Cambridge University, he's an honorary graduate of Starfleet Academy.
"The Wildebeest Implementation"Edit
"The Roommate Transmogrification"Edit
Raj overhears Leonard and Priya having a TOS-themed sex fantasy.
"The Russian Rocket Reaction"Edit
Wil Wheaton throws a party at his house, which has a painting of him as Wesley Crusher in uniform and a USS Enterprise-D model. Raj says he talked with Alice Krige's gynecologist, referring to Alice as "The Borg Queen From First Contact." Wil gives Sheldon an autographed still-in-package Playmates Toys Wesley action figure, but Brent Spiner promptly opens it upon seeing it. Brent then offered Sheldon a autographed still-in-package Data action figure to make up for it but Sheldon declines and declares Brent his new mortal enemy.
In the background at the party are Star Trek writers D.C. Fontana and David Gerrold. They can be seen talking with Kevin Sussman, who plays the show's character Stuart Bloom, who owns a comic book store the main members of the cast frequent.
The street address of Wil Wheaton's house (as seen on the front porch as the gang arrives at the party) is 1701.
"The Rhinitis Revelation"Edit
There's a TNG tricorder displayed on the bookcase behind the couch.
"The Recombination Hypothesis"Edit
"The Vacation Solution"Edit
Bernadette had rejected Howard's suggestion to have wedding invitations in Klingonese.
"The Rothman Disintegration"Edit
Kripke has Sheldon explain Rock-Paper-Scissors-Lizard-Spock to him at least three times to mess with him. Sheldon later proposes a trivia contest with Star Trek: The Original Series, Star Trek: The Next Generation, Star Trek: Deep Space Nine, and Star Trek: Voyager being four of the five categories.
"The Weekend Vortex"Edit
Amy mistakenly refers to the Star Wars video game the guys are playing as a Star Trek video game. Penny corrects her, saying the guys don't like when the two franchises are mistaken for one another, and even suggesting there is no difference between the two.
"The Transporter Malfunction"Edit
Penny bought Sheldon and Leonard a mint-in-box 1975 Star Trek transporter toy each. However, they refused to play with them as the toys would lose some of their perceived value within toy collector circles. That night, Sheldon dreamed that his Mr. Spock action figure (voiced by Leonard Nimoy) told him that it was illogical to own a toy that he wouldn't play with. Shortly afterwards, Sheldon accidentally broke his transporter while playing with it and then replaced it with Leonard's. Later, he had a nightmare about being chastised by Mr. Spock about his actions and was subsequently attacked by a Gorn. Appropriately chastened, Sheldon confessed his guilt to his roommate.
"The Hawking Excitation"Edit
"The Stag Convergence"Edit
Sheldon tells Wil Wheaton (who said he was attending Howard's bachelor party because it was a welcome alternative to George Takei's hot tub parties) to "talk to the hand" and gives him the Vulcan salute.
"The Launch Acceleration"Edit
Howard tells Raj "You watch Star Trek, I live it" when discussing Howard's aborted mission to the International Space Station. Leonard and Sheldon again play three-dimensional chess. Later Leonard comes home to find Sheldon and Amy playing "Star Trek doctor" with Sheldon uncomfortably lying on the couch while Amy, dressed in a Sciences division blue TOS women's uniform, pretend-scans him with a toy Medical tricorder.
"The Countdown Reflection"Edit
Despite his initial offer to do so being soundly rejected, Sheldon performs part of Howard and Bernadette's wedding in Klingonese and says "and the Klingon High Council" when pronouncing them man and wife.
When the rocket is launched, Sheldon quotes the title sequence from The Original Series saying "Boldly go, Howard Wolowitz".
"The Habitation Configuration"Edit
Sheldon tries to do a segment on Trek flags on his "Fun With Flags" web show, first with Wil Wheaton (who keeps trying to do a bit on the Federation flag much to Amy's dislike) and later with LeVar Burton, telling his viewers to "set phasers to fun." To get Amy to see things his way in the matter, Sheldon gives her the TNG Complete Series DVD Boxset and briefly describes "Encounter at Farpoint" to her through her closed apartment door. Wil's house number is 1701, the Enterprise's hull number.
"The Fish Guts Displacement"Edit
Amy suggests that Sheldon punish her by not letting her see the new movie.
"The Bakersfield Expedition"Edit
While driving to the Bakersfield, California Comic-Con, the guys stop at Vasquez Rocks to pose for photos in their costumes: Leonard as Picard, Sheldon as Data, Raj as Worf (all in the Season 3 uniforms), and Howard as a Borg. After their car gets stolen, Sheldon states that they're all a landing party. When the group has to rent a car to return home, Raj asks if the car can be from Enterprise (named for the World War Two aircraft carrier).
"The Love Spell Potential"Edit
Sheldon says he's tired of Leonard always invoking Zachary Quinto whenever Sheldon doesn't like an impending change.
"The Bon Voyage Reaction"Edit
"The Discovery Dissipation"Edit
"The Misinterpretation Agitation"Edit
Sheldon offers a beverage to a Dr. Oliver Lorvis after he admits his intention to give some flowers to Penny. Later when receiving his drink, he compliments Sheldon's Star Trek mug and mentions that he got an original phaser, having given Gene Roddenberry a vasectomy.
"The Champagne Reflection"Edit
Sheldon introduces LeVar Burton for the final Fun With Flags webisode by saying he "puts the Geordi in your La Forge." Later LeVar says he should've taken Wil Wheaton's advice about getting a gate for his house when Sheldon tells him the webshow's been resurrected.
"The Opening Night Excitation"Edit
Sheldon has a poster for Spock's Brain (episode) in his room. Wil Wheaton goes back to evil mode by showing up at the movie theater showing Star Wars: The Force Awakens (coproduced by Bad Robot Productions, directed by J.J. Abrams, and has the Star Trek Beyond trailer showing before it) dressed as Spock.