In a futuristic world that has embraced ape slavery, a chimpanzee named Caesar resurfaces after almost twenty years of hiding from the authorities, and prepares for a revolt against humanity.

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.

Deranged scientist, Gustav Niemann, escapes from prison and overtakes the director of a traveling chamber of horrors, soon reviving the infamous Count Dracula, the frozen Frankenstein Monster, and the Wolf Man.

A deformed tormented girl drowns herself after her lover is framed for murder and guillotined. Baron Frankenstein, experimenting with the transfer of souls, places the boy's soul into her body, bringing Christina back to life. Driven by revenge, she carries out a violent retribution on those responsible for both deaths.

Dr Simon Helder, sentenced to an insane asylum for crimes against humanity, recognises its director as the brilliant Baron Frankenstein, the man whose work he had been trying to emulate before his imprisonment. Frankenstein utilises Helder's medical knowledge for a project he has been working on for some time. He is assembling a man from vital organs extracted from various inmates in the asylum. And the Baron will resort to murder to acquire the perfect specimens for his most ambitious project ever.

Mad scientist, doctor Ten Brinken artificially inseminates a prostitute with a dead man's semen. The resulting child grows up to be a beautiful, evil woman who turns against her creator.

In the 1800s, a stormy love relationship develops quickly between a young medical student and a woman believing herself to be the daughter of his scientist uncle, the student having never heard of her before their chance encounter and both unaware that she is the result of the scientist's illegal experiments with artificial insemination..

A wisecracking New York reporter intrudes on a research scientist's quest to unmask The Moon Killer.

Four explorers are summoned to Peru by the brilliant physicist Dr Thorkel. They discover a rich source of radium and a half-mad Thorkel who shrinks them down to one-fifth their normal size when they threaten to stop his unorthodox experimentation.

Once hounded from his castle by outraged villagers for creating a monstrous living being, Baron Frankenstein returns to Karlstaad. High in the mountains they stumble on the body of the creature, perfectly preserved in the ice. He is brought back to life with the help of the hypnotist Zoltan who now controls the creature. Can Frankenstein break Zoltan's hypnotic spell that incites the monster to commit these horrific murders or will Zoltan induce the creature to destroy its creator?

Dracula conspires with a mad doctor to resurrect the Frankenstein Monster.

Rescued from the guillotine by his devoted dwarf Fritz, the Baron relocates to Carlsbruck, where he continues his gruesome experiments.