Star Trek Season 1 Episode 5
The Enemy Within
A transporter malfunction causes Captain Kirk to split into his "good" and "evil" selves, and a landing party will freeze to death if they don't merge the two back together.
1 - 29Operation: Annihilate!Apr. 13, 1967- 1 - 28The City on the Edge of ForeverApr. 06, 1967
- 1 - 27The Alternative FactorMar. 30, 1967
- 1 - 26Errand of MercyMar. 23, 1967
- 1 - 25The Devil in the DarkMar. 09, 1967
- 1 - 24This Side of ParadiseMar. 02, 1967
- 1 - 23A Taste of ArmageddonFeb. 23, 1967
- 1 - 22Space SeedFeb. 16, 1967
- 1 - 21The Return of the ArchonsFeb. 09, 1967
- 1 - 20Court MartialFeb. 02, 1967
- 1 - 19Tomorrow Is YesterdayJan. 26, 1967
- 1 - 18ArenaJan. 19, 1967
- 1 - 17The Squire of GothosJan. 12, 1967
- 1 - 16The Galileo SevenJan. 05, 1967
- 1 - 15Shore LeaveDec. 29, 1966
- 1 - 14Balance of TerrorDec. 15, 1966
- 1 - 13The Conscience of the KingDec. 08, 1966
- 1 - 12The Menagerie: Part IINov. 24, 1966
- 1 - 11The Menagerie: Part INov. 17, 1966
- 1 - 10The Corbomite ManeuverNov. 10, 1966
- 1 - 9Dagger of the MindNov. 03, 1966
- 1 - 8MiriOct. 27, 1966
- 1 - 7What Are Little Girls Made Of?Oct. 20, 1966
- 1 - 6Mudd's WomenOct. 13, 1966
- 1 - 5The Enemy WithinOct. 06, 1966
- 1 - 4The Naked TimeSep. 29, 1966
- 1 - 3Where No Man Has Gone BeforeSep. 22, 1966
- 1 - 2Charlie XSep. 15, 1966
- 1 - 1The Man TrapSep. 08, 1966
