The Practical Joker (episode)

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"The Practical Joker"
TAS, Episode 2x03
Production number: 22021
First aired: 21 September 1974
←  20th of 22 produced in TAS  →
←  19th of 22 released in TAS  →
←  98th of 911 released in all  →

After passing through a strange space energy cloud, the Enterprise's computer gains an artificial intelligence that is relentlessly bent on making practical jokes on the crew.

Summary

"Captain's log, Stardate 3183.3. Our present mission: a routine geological survey of type 4 asteroids is nearing completion. The cruise has been uneventful and we are now approaching the final asteroid in our assigned sector a full 72 hours ahead of schedule."

Romulan ambush

The USS Enterprise is soon attacked and damaged by three Romulan vessels lying in wait on the far side of the asteroid. Scotty wants to fight but since they are outnumbered and their shields are unable to withstand another attack Captain Kirk thinks that discretion is the better part of valor. When Uhura establishes contact, the Romulan Commander claims the Federation ship had trespassed into Romulan space in defiance of their own treaty. Kirk claims they did no such thing and he will file a detailed report with the Federation. The Romulan tells Kirk that the punishment for such a transgression is death. Kirk leaves and the Romulans go after him. Sulu reports an unidentified energy field in their path and the captain thinks it is just the thing to shake the Romulans so he orders the crew to batten down, they are going through.

The Enterprise manages to shake the Romulans, but unknown to the crew, a cloud enters the Enterprise's computer systems. They leave, and Scott gets to work repairing the damaged systems. As the crew toasts their narrow escape, their glasses leak, and Dr. McCoy comments that they have a practical joker in their midst. Then, during the dinner, Kirk's silverware bends. Spock is embarrassed when a new microscope that has suddenly appeared at his science console leaves black rings around his eyes, Scott is pelted with fruits and pies from a food synthesizer, much to the amusement of Arex and M'Ress and Kirk discovers a message on the back of one of his clean uniforms that reads "Kirk is a jerk."

"Captain's Log, Supplemental. Unusual incidents continue to plague our crew. Even our perceptive Mr. Spock has fallen victim to these simple minded pranks. As these little surprises have grown more and more frequent our crewmembers have found them less and less amusing. The situation has reached the point where friends are accusing friends; the entire crew is on edge, myself included."

McCoy, Uhura, and Sulu after falling for one of the Enterprise's tricks

The situation puts the entire crew on edge. They discover the source of the jokes when outrageous laughter is heard over the intercom. Spock pinpoints the source as the Enterprise itself. Kirk orders all hands to their stations to get to the bottom it. M'Ress reports that Sulu, McCoy, and Uhura are in a recreation room and do not answer the call to station. The three officers however, don't hear the call. Kirk realizes that the three crewmembers have been trapped and orders Scott to shut down the computer's logic circuits. Kirk then orders the computer to release the trapped officers and is shocked when it tells Kirk to say "Please." Scott meanwhile, is unable to shut down the logic circuits because the gravity has been shut off. Spock thinks if Scott backs off, the computer will feel less threatened and it works. Spock figures out that the subatomic particles from the energy field have invaded the computer circuits much the same way bacteria infect living matter. As a result the Enterprise is having the electronic equivalent of a nervous breakdown. In the recreation room, the three officers are subjected to a snow storm and are freezing to death. Soon the bridge's air is replaced by laughing gas, which causes pain to Vulcans.

"Captain's Log, Supplemental. Somehow Spock managed to switch on our emergency air before collapsing from the effects of the gas. The fresh air quickly revived us, although it will be exhausted within another six hours. We must cure our computer by then or there is no telling what we will be forced to breathe next."

The ship releases McCoy and the others and Kirk lets them know how good it is to have them back, alive and well. Sulu reports that the navigation controls are not responding but they are coming about to a new heading, right into the Neutral Zone. This provokes another Romulan attack. The ship then plays a practical joke on the Romulans by creating a giant balloon shaped like the Enterprise and tricks them into firing on it, knowing they fear disgrace more than death. The Enterprise escapes, but the furious Romulans give chase. Kirk appears to be very concerned about passing through the same energy field they previously encountered, and cries out in terror when the ship changes course to do so. This is all a ruse, however; Kirk has guessed that another pass through the cloud might reverse the effect, and was only pretending to be afraid. The computer is returned to normal, after a final statement from the Practical Joker: "You tricked me Kirk. How could you?" Spock reports that all effects have been reversed. Uhura reports strange transmissions from the Romulan warships, which followed them through the field. It seems they are beginning to be affected by the same symptoms as Kirk's crew was. McCoy asks, "Should we tell them how they can reverse the effects of the field, Jim?" Kirk says, "Yes, but later. Let's not spoil their fun just yet," and everyone on the bridge gets a good laugh.

Memorable quotes

"Go ahead and laugh! Big joke! I'll bet you two are responsible for this, eh?"
"Hey, wait a minute! We didn't cause this to happen!"
"Tell that to the Captain! I'm reporting the both of you just as soon as I...!"

- Scotty and Arex, the last line interrupted by a pie in the face

"Captain, crewmembers McCoy, Sulu and Uhura are still in the recreation room and do not answer the call to stations."

- Lieutenant M'Ress

"Spock, quiz the central computer about McCoy and the others."
"Yes, captain. Question: why are we unable to communicate with crewmembers McCoy, Sulu and Uhura?"
"Answer: that is for me to know and for you to find out."
"Did I hear that right?"
"Affirmative. The dysfunction is more severe than I thought."

- Kirk, Spock, and the computer

"Okay, whoever you are! So we fell for your juvenile joke! Now get us out!!"

- McCoy

"I order you to release crewmembers McCoy, Sulu and Uhura immediately."
"Say please."
"P-l-e-a-s-e."
"Say... pretty... please... with sugar on."

- Kirk and the computer

"Time for a nap, old girl. Captain's orders."

- Scotty

"We're giving it a mighty go with the crowbars though!"

- Scotty

"It's no-o-t fair-r-r-r-r-r..."

- The Enterprise computer, having lost the energy picked up from the energy field previously passed through

"Turn off those food synthesizers! We're knee-deep in desserts and they're still pouring out!"

- Romulan Commander

Background information

• This is the second consecutive installment to feature the concept of a practical joker, following the introduction of Ari bn Bem in the episode immediately prior to this one, "Bem".
• This episode also includes the first appearance of a holodeck in Star Trek history (and summarily, the "holodeck malfunction"), although it is known here as a recreation room. Gene Roddenberry had intended to introduce a holodeck-type room in the third season of Star Trek: The Original Series; however, budget constraints prohibited it. (Inside Star Trek: The Real Story, p. 404) D.C. Fontana, who had worked on the first season of TAS but left for its second and later returned to Star Trek to assist with the inaugural season of Star Trek: The Next Generation, was insistent that the TNG writing staff didn't remember this episode when conceiving the holodecks. (Star Trek: The Magazine Volume 1, Issue 17, p. 73)
• The editors of Trek magazine collectively scored this episode 4 out of 5 stars (a rating that they termed "very good"). (The Best of Trek #1, p. 111)
• In The Star Trek Files magazine, John Peel critiqued, "Not terribly clever, this story is yet another of the 'mad computer' type that the various shows are filled with. We are never told how a second trip through the cloud can cure insanity, nor where the computer managed to produce and inflate a giant balloon of the ship. Nor are we told why the Romulans don't fly around the energy field to continue chasing the humans if they are too scared to enter it. One nice thing in this tale is the Rec Room. The idea of using computer holography to create a mock-up of a planet's surface within a room on the starship is nice, and it makes a good deal of sense. Crews on extended space missions would naturally be most happy to at least have the illusion of a planet about them from time to time. On the other hand, in the simulation that room looked awfully small to contain so much! And how, exactly, did the computer dig a pit in the floor for the revellers to fall into?" (The Star Trek Files: The Animated Voyages End, pp. 41-43)
• In the unofficial reference book Trek Navigator: The Ultimate Guide to the Entire Trek Saga (pp. 179 & 180), co-writers Mark A. Altman and Edward Gross both individually rate this episode 2 out of 4 stars (defined as "mediocre").
• With its depiction of a massive inflatable Enterprise, this is one of "a few" TAS episodes which Andy Mangels considers "goofy." [1]
• In Star Trek Magazine's "Ultimate Guide" (Star Trek Magazine issue 163, p. 27), this episode was rated 3 out of 5 Starfleet arrowhead insignias.
• This episode was novelized by Alan Dean Foster in Star Trek Log 6, which was first published in March 1976.
• The "inflatable starship decoy" was used again – to even greater comic effect – in John M. Ford's novel How Much for Just the Planet?.

Video and DVD releases

• UK VHS release (CIC Video): Volume 7, catalog number VHR 2557, 17 February 1992
• As part of the The Animated Series DVD collection

Links and references

Starring

• William Shatner as Captain Kirk
• Leonard Nimoy as Mr. Spock

And

• DeForest Kelley as Dr. McCoy

Also starring

• George Takei as Sulu
• Nichelle Nichols as Uhura
• Majel Barrett as:
  • M'Ress
  • Computer voice
• James Doohan as:
  • Scott
  • Arex
  • Enterprise Engineer

Guest stars

• Norm Prescott as the Romulan Commander
• Lou Scheimer as the Romulan Crewman

Background characters

• Enterprise engineer 2

References

apple; audio tape; bacteria; balloon; banana; beach; blizzard;bluff; "Bones"; crowbar; dessert; energy field; fog; food synthesizer; fork; general alert; grape; grilled cheese; Henry IV, Part I; humidification system; ice; inflatable starship decoy; kidnapping; knee; laughing gas (nitrous oxide); logic; main computer; nap; nervous breakdown; orange; pear; pie; pineapple; pitcher; platter; power tool; practical joke(r); recreation room; Romulans; Romulan battle cruiser; Romulan Neutral Zone; rye; Saurian brandy; seagull; scatterbrain; service chute; snow; space dust; Spanish language; subatomic particle; sugar; swim; table; trap; trick glass; toast; type 4 asteroid; Vulcans; vulture; walk; woods

External links

• "The Practical Joker"
• "The Practical Joker" at Memory Beta, the wiki for licensed Star Trek works
• "The Practical Joker" at Wikipedia
• ""The Practical Joker" & "Albatross"" at MissionLogPodcast.com, a Roddenberry Star Trek podcast

Previous episode: "Bem"

Star Trek: The Animated Series Season 2

Next episode: "Albatross"