The New Adventures of Superman

The Mermen of Emor (1x2)

Air date: Sep 10, 1966

While investigating the disappearances of a number of divers, a scuba diving Jimmy Olsen is captured by Mermen from the underground city of Emor. The Mermen have been abducting people for violent gladitorial games. Superman must foil the Mermen and rescue Jimmy and the other divers.