. "\"Operation: Annihilate!\" is the last original episode from the first season of the original American science fiction television series Star Trek. It is episode #29, production #29, and was broadcast April 13, 1967. It is written by Stephen W. Carabatsos, and directed by Herschel Daugherty. In this episode, the crew of the USS Enterprise must find a way to exterminate malevolent parasitic creatures that have taken over the bodies of residents of a Federation colony."@en . . "1967-04-13Z"^^ . . . "Operation: Annihilate!"@en . . . . . . . . . "29"^^ . . "1"^^ . .