A ship crash lands on Quasar with a sole occupant on board. Zanor offers assistance and the passenger turns out to be a Mutoid, a race who can change their appearance to anything. The Mutoids plan to take over Quasar and use it as a base of operations. Zandor destroys the Mutoids' missile control system and the missiles explode, defeating the Mutoids.
Elenco: Don Messick , Virginia Gregg , Mike Road , Sparky Marcus , Ted Cassidy , Ted Eccles .