Kirk and a landing party beam down to what seems to be an ideal, Eden-like planet. They soon find however that the planet is ruled by a powerful computer that keeps its local inhabitants - primitive and simple tribesmen - happy and healthy. With the Enterprise locked in a tractor beam and slowly being dragged into the planet's atmosphere, Kirk and Spock must find a way to disable to computer. Realizing the threat to its existence, the computer orders the tribesmen to kill the visitors. Written by
Did You Know?
Chekov's first name, Pavel, is established in this episode, when his love interest, Yeoman Landon, calls him "Pav". See more
Ground-level shots of the planet show a red-orange sky, yet clouds are shown forming in a bright blue sky. See more
[speaking into communicator
Scotty... you're my chief engineer. You know everything about that ship that there is to know. More than the men who designed it. If you can't get those warp engines working... you're fired.