Siblings discover that their father has their vampire mother chained up in the cellar. The mother bites her son and soon everyone in the community is either dead or a vampire.
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.
While covering a test of guided torpedoes, two reporters believe they see what appears to be a strange-looking swimming creature. They investigate the matter further and discover that there is a race of fish-men living under the sea. The fish-men capture the pair and keep them prisoner in their underwater city.
An undertaker befriends a pair of motorcycle-riding, knife-wielding, psycho restaurant owners who kill people for body parts to use in their blue-plate daily specials.
A small island community is overrun with creeping, blobbish, tentacled monsters which liquefy and digest the bones from living creatures. The community struggles to fight back.
The sinister Dr. Watt has an evil scheme going—he's kidnapping beautiful young women and turning them into mannequins to sell to local stores. Fortunately for him, Detective Sergeant Bung is on the case, and he doesn't have a clue!
A young woman is driving alongside a lake. She has an accident and the car plunges into the water. Her body is then possessed by the spirit of an 18th-century witch who was killed by local villagers, and is bent on avenging herself on them.
Dracula travels to the American West, intent on making a beautiful ranch owner his next victim. Her fiance, outlaw Billy the Kid, finds out about it and rushes to save her.
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
Rasputin, a crazed and debauched monk wreaks havoc at the local inn one night, chopping off the hand of one of the drinkers. As the bitter locals plan their revenge, the evil Rasputin works his power over the beautiful women who serve at the Tsar's palace. Even the Tsarina herself is seduced by his evil ways and, as his influence begins to dominate government policy, there is only one course of action left... to destroy him before he destroys them all.
A painter of morbid art, who becomes a murderous vampire by night and kills young women, attempts a daytime relationship with a woman who resembles a former love and is also the sister of one of his victims.
A spaceship is sent to Mars after an alien distress signal is picked up. They find one survivor, but when a crew member is found drained of blood it's evident they have rescued a bloodsucking monster. Uses footage from Encounter in Space (1963).
Howard Thorne is a rapist in Los Angeles: he meets women at work and at parties or he sees them walking down the street, and he follows them, terrifies them, and assaults them. He also dreams about these assaults, and he's unclear how much of what he's done is real and how much is fantasy. He ignores his heroin-using wife, Vicki, who tries everything she can think of to get his sexual attention. Howard and Vicki go separately to a costume party where she learns the full truth about his nature and where he is stalked by one of his recent victims. Individualized versions of Hell await Howard and Vicki.
The inhabitants of Ganymede need to find mates from another world or they will become extinct. They soon discover a suitable breeding stock amongst the females of planet Earth.
A photographer and his models go to an old, abandoned castle for a photo shoot. Unbeknownst to them, the castle is inhabited by a lunatic who believes himself to be the reincarnated spirit of a 17th-century executioner whose job it is to protect the castle against intruders.