When his experiments into a powerful new anesthetic go hideously awry, respected physician Dr. Jekyll transforms into the hideous Jack Hyde. As his wife Elisabeth passes her time in charitable work, rehabilitating the district's fallen women, Hyde is drawn into an escalating cycle of lust and murder that seems to know no bounds.
A scientist invents a serum that keeps a dog's head alive after its body dies. When the scientist dies of a heart attack, his crazed assistant cuts off his head and, using the serum, keeps the doctor's head alive and forces it to help him on an experiment to give his hunchbacked nurse assistant a new body.
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.
Now confined to a mental hospital, young Kirsty insists her supposedly dead father is actually stuck in Hell following his wife’s betrayal. Few believe the young woman’s lurid stories aside from the thrill-seeking Dr. Channard. Kirsty is undeterred and, with the help of a fellow patient, heads to Hell for a rescue.
University professor George Kingsley is struck by gangsters while crossing the street, leaving him with brain damage and one of the gangsters, Cannon, paralyzed. Kingsley's friend Dr. Sovac attends to both men, and when Cannon offers him a reward for aiding his recovery, Kovac transplants part of Cannon's brain into the dying Kingsley's skull, creating a dual personality.
A depraved scientist falls madly in love with a young woman and turns her lover into a hideous monster for meddling in his diabolical plans.
Three terrifying tales follow a young groom in Baguio for his honeymoon is possessed by a homicidal spirit when he discovers a cursed ring and decides to wear it; in the eerie halls of a mysterious hospital, a doctor practices voodoo and dead bodies wander in the night; and a student who learns, while a guest at a town fiesta in a remote province, that the locals' hospitable ways leave her clueless about a mysterious nightly ritual.
The eminent Dr. Phibes awakens from a decade of suspended animation and heads to Egypt with the corpse of his dead wife, which he intends to resurrect by murdering people in strange and heinous ways.
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.
After a team of surgeons botches his beloved wife's operation, the distraught Dr. Phibes unleashes a score of Old-Testament atrocities on his enemies.
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. A lost film.
The doctor is back! And this time, she’s cloned herself to make an army of unstoppable warriors!
A surgeon transplants the heart of an ape into his ailing son with horrific results.
In late 19th century London, a woman weds a necrophiliac doctor whose first wife died under mysterious circumstances - and who might be returning from the grave to torment her successor.
A hypnotherapist uses a temperamental teenager as a guinea pig for a serum which transforms him into a vicious werewolf.
The frightening Boris Karloff 60s thriller with Karloff as a demented doctor using torture for scientific experiments.
In 1983, a young mute woman with psychic abilities is held captive within the Arboria Institute, a secluded futuristic facility overseen by a sinister doctor with an unraveling mind and a growing obsession with her.
After being thrown out of medical school for ethical violations, Dr. Peter Blood returns home to a small Cornish village, where he sets up a research laboratory in a secluded cave. There, he attempts to revive the dead, using kidnapped humans -- who he views as unworthy of life -- for their body parts, specifically, their hearts.
A budding playwright and his wife attend a dinner party hosted by wealthy, cultural elites, who have promised to bankroll the writer's latest play to Broadway, but, in fact, have darker designs in mind for the couple.
When Chris and Andy order a model from an escort service, they find that something is unnaturally wrong with Natasha, something deadly wrong.