| "The Practical Joker" | |
|---|---|
| Star Trek: The Animated Series episode | |
| Episode no. | Season 2 Episode 3 |
| Directed by | Bill Reed |
| Written by | |
| Production code | 22021 |
| Original air date | September 21, 1974 |
| Guest appearances | |
| |
"The Practical Joker" is the third episode of the second season of the American animated science fiction television series Star Trek, the 19th episode overall. It first aired in the NBC Saturday morning lineup on September 21, 1974,[2] and was written by American television writers Chuck Menville and Len Janson[note 1] who together also wrote the first season episode "Once Upon a Planet". The "Rec Room" in this episode is the forerunner of the Holodeck, which plays a significant part in numerous episodes of the subsequent spin-off Star Trek series.[3]
Set in the 23rd century, the series follows the adventures of Captain James T. Kirk (voiced by William Shatner) and the crew of the Starfleet starship Enterprise. In this episode, after the Enterprise passes through an unusual cloud the ship's computer starts playing practical jokes on the crew.
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