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.
Oct 11, 1968
Oct 25, 1968
Alan Gibbs, David Frankham, Diana Muldaur, Ralph Garrett, Richard Geary, Robert Balver, Vince Deadrick, William Blackburn