When the planet Sarpeidon is about to be destroyed, by its star Beta Niobe becoming a supernova, Kirk (William Shatner), Spock (Leonard Nimoy) and McCoy (DeForest Kelley) beam down and find it evacuated except for its librarian, Mr. Atoz (Ian Wolfe), tending to his replicas. They are a collection of unusual discs, which play the planet's history and (to their surprise) allow their users to travel into the past through the atavachron, a time machine, into the periods each was studying on disc. The crew travels unprepared, McCoy and Spock find themselves locked in a frozen ice age 5,000 years ago, where Spock reverts to the barbaric age of the Vulcans. He becomes very easily agitated, and is intensely attracted to the political prisoner Zarabeth (Mariette Hartley), who enjoys getting company but tells them return is impossible. Kirk arrives in a Cromwellian period, where he's arrested and suspected of witchcraft. He soon realizes the magistrate must be a time traveler like him, and ...
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When Kirk is walking and interacting in his timeline, there is no question or reaction to his uniform or appearance which is out of place in the time period. See more
We can never go back. We must live out our lives here in the past. The atavachron has prepared our cell structure and our brain patterns to make life natural here. To return to the future would mean instant death.
Captain James T. Kirk
Prepared? I was not prepared. Your Mr. Atoz did not prepare me in any way.
Then you must get back at once! If you were not transformed, you can only survive for a few hours here in the past.
Special Enhanced version Digitally Remastered with new exterior shots and remade opening theme song See more
Referenced in Gods of Egypt