John Cartwright, an auto executive, pretends to betray the human race to the invaders from Atlantis.; A fugitive hides on Easter Island and finds a scroll that awakens the stone heads. They turn out to be aliens, and take him with them as a zoo specimen.; Ventriloquist the Great Gregory and his wooden puppet Herman are both wooden aliens from Uranus!; A man escapes from a prison planet only to mistake a native creature on another world for a rocket ship and ends up about to be devoured.