Star Trek Season 1 Episode 19
Tomorrow Is Yesterday
The Enterprise collides with a black hole and is thrown back to Earth in the 20th century, where they must find a way back and erase any trace of their presence. Matters become complicated when they rescue an Air Force pilot and cannot return him without changing history...but if he disappears that will change history as well.
- 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