Poe's raven, not feeling well, goes in search of a doctor, and in a nearby book finds Dr. Jekyll. The doctor offers to transfer the bookworm's brain to the raven.
Amir, the benevolent ruler of Kalid, is dying, but there is hope. Freshly deceased, he is flown to the United States where Dr. Trenton transplants his brain into the body of a simpleton in a classic "assistant got the wrong kind of body" plot line. Dr. Trenton has a few nefarious plot twists of his own in mind, and then there's the thing with the dwarf and the women chained in the basement. It's up to Amir's friend Bob and wife Tracey to try and salvage this tale.
A rich but unscrupulous old woman plots with a scientist to have her brain implanted in the skull of a sexy young woman.
An affluent judge with an incurable brain disease with only months to live decides to become the guinea pig for a new brain transplant technique. The operation is a success, but the unfortunate brain donor was a young man with unfinished business, and soon the memories and desires of this young man overwhelm the judge.
An evil scientist implants the brain of Michael, a murdered high school student, in an animatronic Tyrannosaurus. He escapes, wreaks vengeance on his high school tormentors and is reunited with his sweetheart Tammy. Together, the couple try to elude the mad scientist and the police and find a more appropriate vessel for Michael's brain.
Journalist Mike Harway decides to help his friend Christine in her search for her father, professor Baker, who mysteriously disappeared. The investigation brings them to Africa where they are captured and brought to the El Faium abandoned fort. It now hosts a laboratory designed by the twisted mind of Devilman, who dreams of swapping his natural brain with an artificial one that will make him perfect.
A mad scientist terrorizes a city by kidnapping young women with his ape-man Gomar and then using them as subjects in sadistic brain transplant experiments. A female wrestler whose sister was one of the victims swears vengeance against the Mad Doctor.
Part live-action, part animated story about a boy who, after an awful amusement park accident, gets a brain transplant, which allows him to see cartoon characters in real life.
A brilliant surgeon encases his dead son's brain in a large robot body, with unintended results...
A student receives a serial killer's brain in a transplant after being thrown into a pool with no water in it
Ygor discovers Frankenstein's creation is still alive and brings him to the Doctor's son, Ludwig, for help. Obsessed with restoring the monster to his full potential, Ludwig is unaware that someone has more devious plans for the creature.
When his friend Professor Kingsely (Ridges) is at deaths door, brain surgeon Dr. Sovac (Karloff) saves his life by means of an illegal operation that transplants part of injured gangster Red Cannon's brain. Unfortunately, the operation has a disasterous Jeckll and Hyde side effect and under certain conditions the persona of Cannon emerges. Sovac soon learns of the duel personality and of half a million dollars the gangster has hidden away. He attempts to find the money through the manipulation of his friend, an attempt that brings Kingsley closer to madness as he alternates between a meek professor of english and a brutal gangster out for murderous revenge on those who tried to kill him.
Baron Victor Frankenstein has discovered life's secret and unleashed a blood-curdling chain of events resulting from his creation: a cursed creature with a horrid face — and a tendency to kill.
A strikingly beautiful and wealthy woman is hit by a truck and is all smashed up and nearly killed. At nearly the same time, a very plain looking lower middle class woman simply faints and suffers brain death. The beautiful womans brain is fine, so, doctors merely transplant her brain into plain Jane. Problems ensue when plain Janes husband continues to believe she is still his wife. She has no memory of him, and goes to live with the beautiful womans husband. She doesn't mix well with her new socialite friends and family. Mirrors are emotional battlefields as well.