| "Operation -- Annihilate!" | |
|---|---|
| Star Trek: The Original Series episode | |
| Episode no. | Season 1 Episode 29 |
| Directed by | Herschel Daugherty |
| Written by | Steven W. Carabatsos |
| Featured music | Alexander Courage |
| Cinematography by | Jerry Finnerman |
| Production code | 029 |
| Original air date | April 13, 1967 |
| Guest appearances | |
| |
"Operation -- Annihilate!" is the twenty-ninth and final episode of the first season of the American science fiction television series Star Trek. Written by Steven W. Carabatsos and directed by Herschel Daugherty, it was first broadcast April 13, 1967.
In the episode, the crew of the Enterprise must find a way to exterminate behavior-altering parasites that have taken over the bodies of residents of a Federation colony, including Captain Kirk's brother, Sam, and family. The episode is popular for revealing new facts about Vulcan physiology.