Aired: Sep 8, 1973The Enterprise crew discovers a sinister force on a deserted spaceship, threa...


Captain Kirk and his crew find themselves confined in an extraterrestrial zoo, where they must brave the unpredictable surroundings to uncover the truth behind the vanishing Federation personnel.
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At the present time, viewers have the opportunity to enjoy "Star Trek: The Animated Series" completely free of charge, though with occasional advertisements, on the following streaming platforms: Paramount+.