A scorpion is mutated by radiation and grows giant, gaining an evil intelligence. It is transformed back with another burst of radiation after being tricked into position by a hypnotist.; Herr Krumhausen prepares a giant room to deceive a business competitor into believing he has shrunk to miniature size, only to really shrink himself.; A furniture maker gets more than he bargained for when he attempts to eliminate a rival chair producer and finds out he is an alien in disguise creating robotic spies on humans.