Walter Paisley, nerdy busboy at a Bohemian café, is jealous of the talent (and popularity) of its various artistic regulars. But after accidentally killing his landlady’s cat and covering the body in plaster to hide the evidence, he is acclaimed as a brilliant sculptor – but his new-found friends want to see more of his work. Lacking any artistic talent whatsoever, Walter has to resort to similar methods to produce new work, and soon people start mysteriously disappearing…
A group of lonely Viking women build a ship and set off across the sea to locate their missing menfolk, only to fall into the clutches of the barbarians that also hold their men captive. There is a cameo appearance by the sea serpent.
Two psychical researchers procure the services of a lady of the night and send her back in time under hypnosis. She finds herself in the body of a past existence – a woman in medieval times waiting to be beheaded as a witch. By avoiding this fate she unwittingly starts to alter history.
A group of scientists travel to a remote island to study the effects of nuclear weapons tests, only to get stranded when their airplane explodes. The team soon discovers that the island has been taken over by crabs that have mutated into enormous, intelligent monsters. To add to their problems, the island is slowly sinking into the ocean. Will any of them manage to escape?
One of several remaining members of its race, an alien from Venus is guided to Earth by disgruntled scientist Tom Anderson, who tells it which humans it should attach mind control devices to. Among them is his old friend, fellow scientist Paul Nelson. Nelson, after killing a flying bat-thing which carries the device, finally persuades the paranoid Anderson that he’s been wrong to ally himself with an alien bent on world domination. They hurriedly leave when they discover Tom’s wife has picked up a rifle and gone to the alien’s cave to try to kill it.
A plucky police woman infiltrates a group of hardened female criminals who are planning to break jail and retrieve their loot of diamonds from its swampy hiding place. Complications arise when the women abduct Connors and begin fighting each other.
Julie, an American on vacation in Mexico, spots a giant, one-eyed amoeba rising from the ocean, but when she tries to tell the authorities, no one believes her. She finally teams up with a marine biologist in an attempt to destroy it.