Star Trek
S01E19 Tomorrow Is Yesterday
During an unexpected mishap, the Enterprise finds itself transported back to 20th century Earth. The crew faces the challenge of navigating their way back to their own time while ensuring they do not alter the course of history.
Season 1 Episodes
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2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
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18
19
20
21
22
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28
29
The Man Trap
Charlie X
Where No Man Has Gone Before
The Naked Time
The Enemy Within
Mudd's Women
What Are Little Girls Made Of?
Miri
Dagger of the Mind
The Corbomite Maneuver
The Menagerie (1)
The Menagerie (2)
The Conscience of the King
Balance of Terror
Shore Leave
The Galileo Seven
The Squire of Gothos
Arena
Tomorrow Is Yesterday
Court Martial
The Return of the Archons
Space Seed
A Taste of Armageddon
This Side of Paradise
The Devil in the Dark
Errand of Mercy
The Alternative Factor
The City on the Edge of Forever
Operation: Annihilate!