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.
2-04: Mirror, Mirror
A transporter accident swaps Kirk, McCoy, Scotty, and Uhura from distinctly opposite parallel universes.