Mechanical mayhem meets simian suspense in this thrill-packed serial, as a scientist's robotic "Metalogen Man" is stolen by a pernicious professor who counts among his assistants a trained gorilla named Thor. Can the robot's inventor and his heroic colleague stop the baddies and their ape before it's too late? Robert Lowery, George Macready, Ralph Morgan, Carole Mathews star. 15 chapters on two discs. Standard; Soundtrack: English stereo; theatrical trailer.