Aired: October 19, 1968 | Season: 3 | Episode: 5
Overview
Runtime: 51m
Directed by: Ralph Senensky
Written by: Jean Lisette Aroeste
Guest stars: Alan Gibbs, David Frankham, Diana Muldaur, Ralph Garrett, Richard Geary, Robert Balver, Vince Deadrick, William Blackburn
Description
The Enterprise hosts an alien ambassador whose outward appearance induces madness in humanoids. When Spock is driven mad after an unfortunate oversight, only the ambassador's jealous telepathic companion can save his mind.
Season 3 Episode 4
And the Children Shall Lead
Season 3 Episode 6
Spectre of the Gun