TOS: S1 – E29: Operation: Annihilate!
The Enterprise faces an alien threat which has consumed an entire planet of colonists, and cannot be killed with phasers!
Category: Featured
TOS: S1 – E28: The City on the Edge of Forever
Kirk and Spock must travel to 1930s Earth to stop Dr. McCoy from changing the future — at great cost.
TOS: S1 – E27: The Alternative Factor
The Enterprise must discover the source of a power which is shaking the entire galaxy — and possibly, the universe!
TOS: S1 – E26: Errand of Mercy
Kirk and Spock battle the Klingons for control of a planet and a race — with an incredible secret.