A chemist carries out a bizarre experiment with his own head.
A certain professor of chemistry discovers two substances that, combined, make it possible to contravene the laws of gravity, a discovery that will have unexpected consequences for him.
A scientist develops a powder that he believes will have the effect of distorting reality for those who take it. To test its effect tries it out on his assistant, a dog, himself and two young couples.
A sci-fi/espionage film in which world powers vie for control of a death ray during World War I as an undercover countess infiltrates enemy ranks to prevent them from getting their hands on the weapon.
Mad scientist, doctor Ten Brinken artificially inseminates a prostitute with a dead man's semen. The resulting child grows up to be a beautiful, evil woman who turns against her creator.
In a futuristic city sharply divided between the rich and the poor, the son of the city's mastermind meets a prophet who predicts the coming of a savior to mediate their differences.
The plot concerns a comet hurling toward Earth on a collision course and the different reactions to people on the impending disaster.
A mad doctor is determined to take revenge on the family he believes is responsible for his daughter's death.
Mad scientist works on a death ray in his mountain hideaway.
A wisecracking New York reporter intrudes on a research scientist's quest to unmask The Moon Killer.
An obsessed scientist conducts profane experiments in evolution, eventually establishing himself as the self-styled demigod to a race of mutated, half-human abominations.
Working in Dr. Cranley's laboratory, scientist Jack Griffin was always given the latitude to conduct some of his own experiments. His sudden departure, however, has Cranley's daughter Flora worried about him. Griffin has taken a room at the nearby Lion's Head Inn, hoping to reverse an experiment he conducted on himself that made him invisible. But the experimental drug has also warped his mind, making him aggressive and dangerous. He's prepared to do whatever it takes to restore his appearance.
Stan and Ollie are chimney sweeps working at the home of mad scientist Professor Noodle.
A 12-episode serial in which a son avenges the death of his father at the hands of corrupt politicians. He develops a wide variety of complex devices in his crusade . . . ray guns, robots and a 'vanishing belt.'
An ex-vaudeville actor is working as the assistant to a doctor who has Frankenstein aspirations. The ex-vaudeville actor kills the doctor and decides to assume the identity of the dead physician.
Thelma and Patsy find themselves in a spooky house inhabited by a nut who is a mechanical genius and has made a robot who does everything. The inventor manipulates the robot's control board from a hidden room. The girls are soon in a panic. Patsy gets into an argument with the robot and loses the match of wits. Blackie Burke, an escaped convict, is using the house as a hideout, and this adds to the problems the girls already have.
Dr. Frankenstein and his monster both turn out to be alive, not killed as previously believed. Dr. Frankenstein wants to get out of the evil experiment business, but when a mad scientist, Dr. Pretorius, kidnaps his wife, Dr. Frankenstein agrees to help him create a new creature.
A strange animal attack turns a botanist into a bloodthirsty monster.
A crazed scientist tries to keep his terminally ill wife alive by transfusing into her the blood of young women he murders.
Dr. Laurence, a once-respectable scientist, begins to research the origin of the mind and the soul. The science community rejects him, and he risks losing everything for which he has worked. He begins to use his discoveries to save his research and further his own causes, thereby becoming... a Mad Scientist, almost unstoppable...