A teenage girl is captured by a giant mutated squid-like creature that appears from Seoul's Han River after toxic waste was dumped in it, prompting her family into a frantic search for her.
When a rare species of butterfly is found in a mysterious valley in Japan, a pair of entomologists go to investigate and find more. They discover Varan, a giant monster, who decides to leave the valley and head straight for Tokyo.
A scientist who is obsessed with creating life finally does it, with tragic results.
A scientist obsessed with creating life steals body parts to put together his "creation." Released as a feature on video, this was originally shown in two installments on TV as part of the Wide World of Entertainment series.
Grave robbers open the grave of the wolf man and awaken him. He doesn't like the idea of being immortal and killing people when the moon is full so tries to find Dr. Frankenstein, in the hopes that the doctor can cure him. Dr. Frankenstein has died; however, his monster is found.
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.
Victor Frankenstein witnesses his creation turn uncontrollable after he's duped by his associate, Dr. Polidori.
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.
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?
Dracula conspires with a mad doctor to resurrect the Frankenstein Monster.
Young Victor Frankenstein returns from medical school with a depraved taste for beautiful women and fiendish experiments.
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.
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.
Eddie is a Vietnam veteran who loses his arms and legs when he steps on a land mine, but a brilliant surgeon is able to attach new limbs. Unfortunately an insanely jealous assistant (who has fallen in love with Eddie's fiance) switches Eddie's DNA injections, transforming him into a gigantic killer.
A hot air balloon crew and a dog find themselves on an island with scantily-clad part-alien women, zombies, and other monsters.
When an atomic war on Mars destroys the planet's women, it's up to Martian Princess Marcuzan and her right-hand man Dr. Nadir to travel to earth and kidnap women for new breeding stock. Landing in Puerto Rico, they shoot down a NASA space capsule manned by an android. With his electronic brain damaged, the android terrorizes the island while the Martians raid beaches and pool parties
Happy couple Geoffrey and Lillian move out to a rural country location so Geoffrey can concentrate on his work. Shutting himself off in a shed out back, Geoffrey is slowly consumed by his work as well as his impending madness.
Matter-transmitter sabotage leaves a British scientist (Bryant Halliday) disfigured and full of amps.
After their human test subjects turn into animalistic horrors, a small group of scientists barricade themselves in their laboratory, but they must balance moral conflict with survival as their botched creations attack.