Donovan's Brain

In order to save an assassinated scientist, a submarine and its crew are shrunk to microscopic size and injected into his bloodstream.

After Malukan immigrants engage in a string of corpse mutilations at various New York City hospitals, a doctor and a morgue assistant travel to the Maluku Islands to investigate.

A plastic surgeon goes mad when he discovers that his wife have an affair. He fakes her death and disfigure her and locks her in the cellar.

Confined to a mental hospital, young Kirsty Cotton insists her supposedly dead father is stuck in hell, controlled by sadomasochistic demons after being betrayed by his evil, occult-obsessed wife, Julia. Few believe Kirsty, except the thrill-seeking Dr. Channard, who is intrigued by the young woman's lurid stories. So when Kirsty and fellow patient Tiffany head to hell for a rescue, Channard and Julia are close behind.

An obsessed scientist conducts profane experiments in evolution, eventually establishing himself as the self-styled demigod to a race of mutated, half-human abominations.

Tampering with life and death, Henry Frankenstein pieces together salvaged body parts to bring a human monster to life; the mad scientist's dreams are shattered by his creation's violent rage as the monster awakens to a world in which he is unwelcome.

A mad scientist creates a monster called "Mosaico," who breaks out of the laboratory to hunt down and kill beautiful women.

Professor Frankenstein creates a teenager from an accident victim, who gets angry when he learns he is going to be taken apart.

Dr. Leon Kravaal develops a potential cure for cancer, which involves freezing the patient. But an experiment goes awry when authorities believe Kravaal has killed a patient. Kravaal freezes the officials, along with himself. Years later, they are discovered and revived in hopes that Kravaal can indeed complete his cure. But human greed and weakness compound to disrupt the project.

In this thriller, psychiatrist Dr. Cross kills his wife and expects to get away with murder, until he discovers that the slaying was observed by a next-door neighbor, Janet Stewart. As Janet attempts to convince her husband of the doctor's dastardly deed, Cross shows up to advise him that Janet is in dire need of some in-depth counseling.

A reporter sleuths the mystery behind an oft-married Viennese doctor whose wives met mysterious fates.

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.

Chris and his girlfriend Rose go upstate to visit her parents for the weekend. At first, Chris reads the family's overly accommodating behavior as nervous attempts to deal with their daughter's interracial relationship, but as the weekend progresses, a series of increasingly disturbing discoveries lead him to a truth that he never could have imagined.

An insane surgeon's obsession with an actress leads him to replace her wounded pianist husband's hands with the hands of a knife murderer--hands which still have the urge to throw knives.

A mad doctor (Bela Lugosi) and his helpers (John Carradine, George Zucco) lure girls to his lab for brain work, to help his wife.

An unnamed doctor has always had everything he's ever wanted, but that has only made him develop more extreme and depraved needs. He kidnaps a young couple in the prime of their life together and forces them into a game of torment that slowly extinguishes their hopes for survival.

The doctor is back! And this time, she’s cloned herself to make an army of unstoppable warriors!

Chaney plays two roles: mad scientist Arthur Lamb and Lamb's "experiment", known only as the Ape Man. This hideous creature was the result of Lamb's attempts to transplant animal glands into human beings.

Blizzard, deranged from a childhood operation in which both his legs were needlessly amputated after an accident, becomes a vicious criminal, and eventually mob leader of the San Francisco underworld.

A brilliant but deranged neurosurgeon becomes obsessively fixated on a judge's daughter. With the help of an escaped criminal whose face he has surgically deformed, the mad man lures her, her father, and her fiancé to his isolated castle-like home, where he has created a torture chamber with the intent of torturing them for having 'tortured' him.