1.02 Yesteryear

Upon returning from Orionís past, Captain Kirk and Mr. Spock find that the Vulcan first officer never existed. Using the Guardian of Forever, Mr. Spock must return to his own past to ensure his survival.

Yesteryear
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TAS Season 1, Episode 2

WRITTEN BY
D.C. Fontana
DIRECTED BY
Hal Sutherland

First Aired Sep 15, 1973
Stardate 5373.4