2-24: The Ultimate Computer
The Enterprise's test of Dr. Daystrom's greatly enhanced computer becomes deadly.
2-16: The Gamesters of Triskelion
Kirk, Uhura, and Chekhov are abducted and forced into combat games with other captives.
2-26: Assignment: Earth
After traveling back to 1960s Earth, the Enterprise accidentally beams aboard a time-traveling secret agent.