Summary:

While trying to locate the missing population of a planet doomed by a coming nova, Kirk, Spock, and McCoy find a mysterious librarian who sends them back into the planet's past. While Spock and McCoy fight for survival in a frigid landscape, Kirk is accused of witchcraft.
 

Rating: 8.40

Star Trek

Status: Ended

First Aired: 1966-09-08

--------------------------------

Episode Name : All Our Yesterdays

Airdate: 1969-03-14

Episode Number: 23

Type: regular