A mad scientist unleashes his master plan: to transform himself into a mutated walking catfish, and gain revenge on those who have spurned him. His plans go wrong, and he becomes tempted to kidnap a nubile young woman to similarly transform her so that he can breed.
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.
A story about a scientist who is obsessed with communicating with the dead.
A warlock burned at the stake comes back and takes over the body of his great grandson to take his revenge on the descendents of the villages that burned him.
The discovery of a perfectly preserved caveman prompts a mad scientist to attempt a daring brain transplant.
A mad doctor uses patients at his isolated psychiatric institute as subjects in his attempts to create longevity by surgically installing an artificial gland in their skulls.
When Dr. Von Altermann's wife Lila dies mysteriously at his spooky mansion her relations suspect murder. They also suspect the doctor is turning her into a zombie, to join the army of living dead he hopes to devote to the Nazi cause. However, Lila, though dead, has developed a will of her own.
A renegade federal agent uses a new drug to create an army of unbeatable warriors.
As novice detectives, Bud and Lou come face to face with the Invisible Man.
A mad scientist crosses plants with people, and the results wind up in a sideshow.
A screenwriter does research for his new script by actually kidnapping and drowning young girls. He then places them in his "garden" of other dead girls coming back daily to check on them. One girl narrowly escapes and the other bodies are found leading to an ingenious plot to try and capture the killer.
In foggy London Dr Jekyll experiments on newly deceased women determined to discover an elixir for immortal life. Success enables his spectacular transformation into the beautiful but psychotic Sister Hyde who stalks the dark alleys of Whitechapel for young, innocent, female victims, ensuring continuation of the bloodstained research. With each transformation Sister Hyde becomes the more dominant personality, determined to eventually suppress the frail, ineffectual Dr Jekyll forever.
A scientist working on cures for rare afflictions, such as a bone softening agent made from molds to allow him to correct the spinal deformity of his nurse, finds the physical causes of lycanthropy in wolf-man Larry Talbot and of vampirism in Count Dracula, but himself becomes afflicted with homicidal madness while exchanging blood with Dracula.
Upon arriving at the dilapidated estate of his mentor, Dr. Harker finds his former professor, Dr. Usher, radically changed. Instead of the reasoned scholar he once knew, a paranoid man is in his place and he's spiraling into madness.
A young psychiatric nurse goes to work at a lonesome asylum following a murder. There, she experiences varying degrees of torment from the patients.
A severely injured man and woman awake in an abandoned sanitarium only to discover that a sadistic caretaker holds the keys to their freedom and the horrific answers as to their true identity.
Former FBI Agent Will Graham, who was once almost killed by the savage Hannibal 'The Cannibal' Lecter, now has no choice but to face him again, as it seems Lecter is the only one who can help Graham track down a new serial killer.
The town of Midground is threatened by a tsunami caused by a massive earthquake in the North Pacific Ocean. After other unexplainable events transpire, Chase Lombardi and friends are forced to discover whether they are experiencing a natural phenomenon or something else all together.
A cliché hunchbacked evil scientist's assistant aspires to become a scientist himself, much to the displeasure of the rest of the evil science community.
Crazy old Professor Gangreen has developed a way to make tomatoes look human for a second invasion.