3.23 All Our Yesterdays

On a mission to investigate the planet Sarpedion, whose sun is about to go nova, Captain Kirk, Mr. Spock and Dr. McCoy are pulled into the planet's past; Kirk into a time of witchcraft and superstition and Mr. Spock and Dr. McCoy into the Sarpedion ice age where they meet a beautiful woman named Zarabeth.

All Our Yesterdays
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TOS Season 3, Episode 23

WRITTEN BY
Jean Lissette Aroeste
DIRECTED BY
Marvin Chomsky

First Aired Mar 14, 1969
Stardate 5943.7