Jace, Jan, and Blip crash land on a planet. A giant ape meets them there. They are captured by Giant Bats and taken to the lair of the Creature King. He plans to take over other worlds with his army of monsters. Space Ghost arrives and battles the monsters. Blip knocks out the Creature King with a heavy object. The Creature King escapes with one of his Giant Bats.
Elenco: Don Messick , Gary Owens , Keye Luke , Mike Road , Tim Matheson , Alan Reed , Johnny Carson , Ted Cassidy , Vic Perrin , Ginny Tyler .