The discovery of a perfectly preserved caveman prompts a mad scientist to attempt a daring brain transplant.
A hunchback working in a morgue falls in love with a sick woman. He goes berserk when she dies and seeks help from a scientist to bring her back from the dead.
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 scientist develops a formula which will cause animals to regress to the form of their primitive ancestors, and tries it on himself with disastrous results.
After a doctor kills his mistress and himself while researching the mysterious previous owner of his Boston home, his colleague, Dr. Norman Boyle, takes over his studies and moves his family into the Boston mansion. Soon after, Boyle's young son Bob becomes plagued by visions of a young girl, who warns him of the danger within the house.
Former Countess Clair and Professor Gruber conduct occult research in castle basement of Count Victor, re-animating people to kill for them.
Secretly engineered and blasted into space by government scientists, a vile monster crash-lands back on Earth and begins killing everyone it encounters. As the death toll rises, veteran cop McLemore bravely steps forward to crush the scary creature.
In an ancient castle, a mad scientist is trying to revive his dead daughter by an operation, but there are certain body parts he needs that he can't get. His problem is solved when a group of drunken party-goers stumble into his castle.
Dr Dilf, Nurse Meow and Nurse Spanks are trying to create a cure to the anti-death gas which was accidentally unleashed in the last film. The good doctor and his half dressed nurses are against the clock as a killer is after them and is determined to hunt them down.
Working in Dr. Cranley's laboratory, scientist Jack Griffin was always given the latitude to conduct some of his own experiments. His sudden departure, however, has Cranley's daughter Flora worried about him. Griffin has taken a room at the nearby Lion's Head Inn, hoping to reverse an experiment he conducted on himself that made him invisible. But the experimental drug has also warped his mind, making him aggressive and dangerous. He's prepared to do whatever it takes to restore his appearance.
An alien microbe lands in remote Siberia in the 1950's. In the year 2004, US scientist working at a top secret underground lab in Alaska clone the microbe. A garbled distress signal is heard from the lab just before a complete lock down of the facility. This is the last word sent out from the scientists. A team of scientists and military personnel are in charge of finding out what went wrong.
Conducting clandestine experiments within the morgue at Miskatonic University, scientist Herbert West reveals to a fellow graduate student his groundbreaking work concerning the re-animation of fresh corpses.
After a comet wipes out most of life on Earth, two Valley Girls find themselves fighting against cannibal zombies and a sinister group of scientists.
A remake of the 1927 horror film "The Wizard". Dr. Larry Forbes arrives in a remote French village to visit his fiancée who lives with her scientist father Dr. Renault and his Ape-like manservant Noel. Several Murders coincide with Dr. Forbes arrival, with clues pointing in multiple directions.
Unperturbed by the disastrous outcome of his previous meddling with the dead, Dr. West continues his research into the phenomenon of re-animation; only this time, he plans to create life – starting with the heart of his young protégé Dan's dearly deceased Meg Halsey.
Crazy old Professor Gangreen has developed a way to make tomatoes look human for a second invasion.
When Dr Frankenstein decides to retire from the monster-making business, he calls an international roster of monsters to a creepy convention to elect his successor. Everyone is there including Dracula, The Werewolf, The Creature, Dr Jekyll & Mr Hyde and many more. But Frankenstein's title is not all that is at stake. The famous doctor has also discovered the secret of total destruction that must not fall into the wrong hands!
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.
A mad scientist, Dr. Aranya (Jackie Coogan), has created giant spiders in his Mexican lab in Zarpa Mesa to create a race of superwomen by injecting spiders with human pituitary growth hormones. Women develop miraculous regenerative powers, but men mutate into disfigured dwarves. Spiders grow to human size and intelligence.