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!
At the end of the 19th century, in a little Italian village by a lake an old statue is recovered. Soon a series of crimes start and the superstitious people of the village believe that the statue carries an ancient malediction.
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.
A mentally unbalanced man is obsessed with the idea that a black cat is possessed. He tortures and kills it. Later, he comes to believe that the cat has returned from the dead to kill him.
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
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).
A chronicle of the violence that occurred in much of the African continent throughout the 1960s. As many African countries were transitioning from colonial rule to other forms of government, violent political upheavals were frequent. Revolutions in Zanzibar and Kenya in which thousands were killed are shown, the violence not only political; there is also extensive footage of hunters and poachers slaughtering different types of wild animals.
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.
A nuclear explosion in the far north unleashes Gamera, the legendary flying turtle, from his sleep under the ice. In his search for energy, Gamera wreaks havoc over the entire world, and it's up to the scientists, assisted by a young boy with a strange sympathic link to the monster, to put a stop to Gamera's rampage.
A mad killer is loose in Venice's catacombs. He attacks the beautiful women, releasing them into the underworld, kill them and then stop them and add them to his "collection".
A bewitching and beautiful Indian half-caste, Liah, takes her revenge on four ruthless cowboy desperadoes who have gunned down her husband for the sheer joy of killing. Using her enigmatic charm in a way that is fatal to the outlaws, the haunting young woman's vengeance is melted out in a strange, occult manner.