Robot Monster

Robot Monster is a 1953 independently made American black-and-white 3-D science fiction film, both produced and directed by Phil Tucker, written by Wyott Ordung, and starring George Nader, Claudia Barrett, and George Barrows. The film was then distributed by Astor Pictures. Robot Monster tells the story of Moon robot Ro-Man's mission to destroy all the humans on Earth. It manages to kill all but eight survivors, who have become immune to his death ray. But Ro-Man runs afoul of his leader, The Great Guidance, after he becomes attracted to Carla, the surviving scientist's eldest daughter, and refuses to harm her. The Great Guidance kills Ro-Man and must teleport to Earth to finish what has been started.