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Star Trek S1E19 — Tomorrow Is Yesterday
7.9
Star Trek•Season 1•Episode 19

Tomorrow Is Yesterday

7.9/10 · 5,123 votesJan 26, 196750 min

Ranked #11 of 29 in Season 1•+0.3 vs season avg

Discussion

In a freak accident the Enterprise is sent back to 20th century Earth, and must find their way back without changing history.

Directed byMichael O'Herlihy
Written byD.C. Fontana
Previous episodeE18 · ArenaNext episodeE20 · Court Martial
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Seasons3

All123

Season 1 Episodes29

The Man Trap stillE1 7.2

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Charlie X stillE2 7.0

Charlie X

Where No Man Has Gone Before stillE3 7.7

Where No Man Has Gone Before

The Naked Time stillE4 7.8

The Naked Time

The Enemy Within stillE5 7.6

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Mudd's Women stillE6 6.7

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What Are Little Girls Made Of? stillE7 7.5

What Are Little Girls Made Of?

Miri stillE8 6.9

Miri

Dagger of the Mind stillE9 7.4

Dagger of the Mind

The Corbomite Maneuver stillE10 8.0

The Corbomite Maneuver

The Menagerie (1) stillE11 8.2

The Menagerie (1)

The Menagerie (2) stillE12 8.1

The Menagerie (2)

The Conscience of the King stillE13 7.1

The Conscience of the King

Balance of Terror stillE14 8.8

Balance of Terror

Shore Leave stillE15 7.3

Shore Leave

The Galileo Seven stillE16 7.6

The Galileo Seven

The Squire of Gothos stillE17 7.2

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Arena stillE18 7.9

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Tomorrow Is Yesterday stillE19 7.9Now viewing

Tomorrow Is Yesterday

Court Martial stillE20 7.4

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The Devil in the Dark stillE25 8.3

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Errand of Mercy stillE26 8.1

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The City on the Edge of Forever stillE28 9.2

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Cast6

William Shatner

William Shatner

James T. Kirk

Leonard Nimoy

Leonard Nimoy

Spock

DeForest Kelley

DeForest Kelley

Dr. McCoy

James Doohan

James Doohan

Scott

George Takei

George Takei

Sulu

Nichelle Nichols

Nichelle Nichols

Uhura

Crew12

D

D.C. Fontana

Writer

M

Michael O'Herlihy

Director

G

Gerald Perry Finnerman

Director of Photography

B

Bruce Schoengarth

Editor

W

Walter M. Jefferies

Art Direction

R

Rolland M. Brooks

Art Direction

W

William Ware Theiss

Costume Design

Alexander Courage

Alexander Courage

Music

J

Jim Rugg

Special Effects

M

Michael S. Glick

Assistant Director

F

Fred B. Phillips

Makeup Artist

V

Virginia Darcy

Hairstylist

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Episode Summary

"Tomorrow Is Yesterday" is episode 19 of Star Trek season 1. It scored 7.9/10 from 5,123 votes, ranking #11 of 29 episodes this season (season average 7.6). Directed by Michael O'Herlihy and written by D.C. Fontana, it aired on January 26, 1967.

Next: E20 · Court MartialBest of Season 1