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...
Boris KarloffDr. Laurence
Anna LeeDr. Clare Wyatt
John LoderDick Haslewood
Frank CellierLord Haslewood
Donald CalthropClayton
Cecil ParkerDr. Gratton
Lyn HardingProf. Holloway
Clive MortonJournalist
D.J. WilliamsLandlord
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 wisecracking New York reporter intrudes on a research scientist's quest to unmask The Moon Killer.
Four explorers are summoned to Peru by the brilliant physicist Dr Thorkel. They discover a rich source of radium and a half-mad Thorkel who shrinks them down to one-fifth their normal size when they threaten to stop his unorthodox experimentation.
Blackmailing a young couple to assist with his horrific experiments the Baron, desperate for vital medical data, abducts a man from an insane asylum. On route the abductee dies and the Baron and his assistant transplant his brain into a corpse. The creature is tormented by a trapped soul in an alien shell and, after a visit to his wife who violently rejects his monstrous form, the creature wreaks his revenge on the perpetrator of his misery: Baron Frankenstein.
Grave robbers open the grave of the wolf man and awaken him. He doesn't like the idea of being immortal and killing people when the moon is full so tries to find Dr. Frankenstein, in the hopes that the doctor can cure him. Dr. Frankenstein has died; however, his monster is found.
Deranged scientist, Gustav Niemann, escapes from prison and overtakes the director of a traveling chamber of horrors, soon reviving the infamous Count Dracula, the frozen Frankenstein Monster, and the Wolf Man.
A deformed tormented girl drowns herself after her lover is framed for murder and guillotined. Baron Frankenstein, experimenting with the transfer of souls, places the boy's soul into her body, bringing Christina back to life. Driven by revenge, she carries out a violent retribution on those responsible for both deaths.
Dr Simon Helder, sentenced to an insane asylum for crimes against humanity, recognises its director as the brilliant Baron Frankenstein, the man whose work he had been trying to emulate before his imprisonment. Frankenstein utilises Helder's medical knowledge for a project he has been working on for some time. He is assembling a man from vital organs extracted from various inmates in the asylum. And the Baron will resort to murder to acquire the perfect specimens for his most ambitious project ever.
When Dr. Frankenstein is killed by a monster he created, his daughter and his lab assistant continue his experiments.
Once hounded from his castle by outraged villagers for creating a monstrous living being, Baron Frankenstein returns to Karlstaad. High in the mountains they stumble on the body of the creature, perfectly preserved in the ice. He is brought back to life with the help of the hypnotist Zoltan who now controls the creature. Can Frankenstein break Zoltan's hypnotic spell that incites the monster to commit these horrific murders or will Zoltan induce the creature to destroy its creator?
Rescued from the guillotine by his devoted dwarf Fritz, the Baron relocates to Carlsbruck, where he continues his gruesome experiments.
Young Victor Frankenstein returns from medical school with a depraved taste for beautiful women and fiendish experiments.
Mad Dr Frankenstein recruits an evil dwarf, a Neanderthal man, and others to help him put a brain in the body of a brute.
Eddie is a Vietnam veteran who loses his arms and legs when he steps on a land mine, but a brilliant surgeon is able to attach new limbs. Unfortunately an insanely jealous assistant (who has fallen in love with Eddie's fiance) switches Eddie's DNA injections, transforming him into a gigantic killer.
Dracula kills another innocent victim and Dr. Seward decides it's time to wipe him off the face of the earth. Armed with a hammer and a wooden stake, he arrives at Castle Dracula and duly dispatches the vampire Count. Next day, however, Dr. Frankenstein arrives with his assistant, Morpho, and a large crate containing the monster. Using the blood of a pub singer who has been abducted by his creation, the doctor brings Dracula back to life and uses him for his own ends. The Count and a female vampire continue to terrorise the town, so Dr Seward once again sets out for Castle Dracula. Unfortunately, he is attacked by the Frankenstein monster and left for dead. Amira, a gypsy, rescues him and summons up a werewolf to do battle with the forces of evil...
Dr. Frankenstein and her assistant, Dr. Yanco, are going to bring one of their experiments to life in Santo Vs. Frankenstein's Daughter. She intends to use a monster named Ursus to do her evil bidding. Using a youth serum to retain their vitality, the doctors set their sights upon none other than El Santo. They need his super human blood to regenerate a stronger youth serum. They kidnap Santo's goddaughter, Norma and lure him into Dr. Frankenstein's lab where he is captured and enslaved. Will Santo make it out alive?
Professor Frankenstein creates a teenager from an accident victim, who gets angry when he learns he is going to be taken apart.
Happy couple Geoffrey and Lillian move out to a rural country location so Geoffrey can concentrate on his work. Shutting himself off in a shed out back, Geoffrey is slowly consumed by his work as well as his impending madness.
Matter-transmitter sabotage leaves a British scientist (Bryant Halliday) disfigured and full of amps.
A mad scientist creates a monster called "Mosaico," who breaks out of the laboratory to hunt down and kill beautiful women.