Two reporters travel to a strange castle in Transylvania to investigate the apparent reappearance of Frankenstein, and encounter the sensitive Wolfman, the Vampiress Odette and a whole cast of other weirdos.
Living on an estate on the shores of Lake Geneva, Lord Byron is visited by Percy and Mary Shelley. Together with Byron's lover Claire Clairmont, and aided by hallucinogenic substances, they devise an evening of ghoulish tales. However, when confronted by horrors, ostensibly of their own creation, it becomes difficult to tell apparition from reality.
When Dr. Frankenstein is killed by a monster he created, his daughter and his lab assistant continue his experiments.
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?
Judith Fontaine is looking for her sister Joanie, who has disappeared into the hippie community of Venice, California. It turns out that Joanie has become fallen victim to Groton, an axe-wielding homicidal maniac under the employ of Dr. Durea, the last living descendant of the Frankenstein family and is now both running a house of horrors on the beach's boardwalk and performing experiments on Groton's victims in his basement laboratory.
Rescued from the guillotine by his devoted dwarf Fritz, the Baron relocates to Carlsbruck, where he continues his gruesome experiments.
Brilliant but arrogant scientist Victor Frankenstein builds a man from spare body parts, only for the monster to come alive and wreak havoc.
Gaira, a humanoid sea beast spawned from the discarded cells of Frankenstein's monster, attacks the shores of Tokyo. While the Japanese military prepares to take action, Gaira's Gargantua brother, Sanda, descends from the mountains to defend his kin. A battle between good and evil ensues, leaving brothers divided and a city in ruins.
Dr. Frankenstein's Granddaughter Maria, and her brother assistant Rudolph, moved to the old west because the lightning storms there are more frequent and intense, which allows them to work on the experiments of their grandfather. But the experiments are failing and Rudolph's been secretly killing the corpses afterwards. Meanwhile, the Lopez family leaves the town because of the evil going on there
The story of Frank, a different creature, born to the song "Singing in the rain", that goes in search of happiness.
A mad doctor puts together a new body by using body parts he steals from a mortuary at the hospital where he works.
A student receives a serial killer's brain in a transplant after being thrown into a pool with no water in it.
Mad Dr Frankenstein recruits an evil dwarf, a Neanderthal man, and others to help him put a brain in the body of a brute.
During WWII, Germans obtain the immortal heart of Frankenstein's monster and transport it to Japan to prevent it being seized by the Allies. Kept in a Hiroshima laboratory, it is seeming lost when the United States destroys the city with the atomic bomb. Years later a wild boy is discovered wandering the streets of the city alone, born of the immortal heart.
After the death of Victor Frankenstein, two figures vie for control of his monster and the radical technology that created him: the scientist's daughter, and an immortal wizard assisted by a blind bird-woman with an unquenchable thirst for blood.
The baron's grandson rents the family castle to a TV crew to fund his atomic revival of the family monster.
Aliens from a dying world plot to conquer earth by preying on man's superstitions. Bringing two dead scientists back to life, they use their knowledge to re-animate various earth monsters, including the werewolf, Frankenstein's monster, the mummy Tao-Tet, and the vampire Count de Meirhoff.
Young couple Scott and Mary are on their way to a Halloween party when their car breaks down, and they encounter a creepy castle where Dr. Frankenstein seeks to put Scott's brain in his monstrous creation. As for Mary, Count Dracula wants her for his mistress.
Dr. Victor Frankenstein neglects the sexual needs of his frigid and frustrated wife Helena. After Helena gets killed in a horse riding accident, Victor decides to bring her back to life. However, Victor's inept assistant Igor accidentally damages Helena's brain and replaces it with a lesbian's brain, so Helena is now a crazed, aggressive, and predatory vixen with a raging insatiable libido.
When professor Lippzigger dies, his favorite student Mark inherits the key to his secret laboratory. There he and his friend Jay find the hundreds of years old body of Frankenstein - and revive it. But where to go with him? They take him with them to their dorms. He's dumb as a brick, but makes it into their football team and becomes popular. If there only wasn't Prof. Loman, who wants to become famous with Lipp's inventions...