2-24: The Ultimate Computer
The Enterprise's test of Dr. Daystrom's greatly enhanced computer becomes deadly.
2-26: Assignment: Earth
After traveling back to 1960s Earth, the Enterprise accidentally beams aboard a time-traveling secret agent.
2-05: The Apple
In paradise-like surroundings, a landing party encounters a primitive race controlled by Vaal - a machine revered as a God.
2-25: Bread and Circuses
Upon investigating the disappearance of the S.S. Beagle crew, the Enterprise encounters a modernized Roman-like civilization.