In California, an old man grieves the loss of his wife, and dies the day after she is buried. However, the space soldier Eros and his mate Tanna use an electric device to resurrect them both, alongside the strong Inspector Clay, who was murdered by the alien-controlled dead couple. When the populations of Hollywood and Washington DC see flying saucers on the sky, a colonel, a police lieutenant, a commercial pilot, his wife and a policeman try to stop the aliens.

Behind the locked doors of a mental institution resides crooked politico Judge Drake, free from prosecution so long as he pretends to be crazy. To get the goods on Drake, private detective Ross Stewart has himself committed to the asylum as a patient. Meanwhile, reporter Kathy Lawrence, posing as Stewart's wife, acts as his liaison to the outside world.

A mad doctor uses patients at his isolated psychiatric institute as subjects in his attempts to create longevity by surgically installing an artificial gland in their skulls.

Slammin’ Sammy Menacker is killed in the ring, and Gorgeous George is arrested for murder. Out to clear his name is his manager Lorraine and cop Ron Peterson, who was already on the scene to investigate the Mob’s influence on pro wrestling.

A refugee Soviet scientist arrives at a desert airport carrying secret documents, but is attacked by a pair of KGB assassins and escapes into the desert, where he comes in range of an American nuclear test and is transformed into a mindless killing beast.

When the Lemon Drop Kid accidentally cheats gangster Moose Moran out of his track winnings, the Kid promises to repay Moose the money by Christmas. Creating a fake charity for "Apple Annie" Nellie Thursday, the Kid tricks his gang into donning Santa suits and "collecting dough for old dolls" like Nellie who have nowhere to live.

Reports of strange activities out by the Old Willow's place signal new adventures for Kelton the Cop & Co. An apparent mystic, Dr. Acula is engaging in rituals designed to raise the dead. But he may get more than he bargained for...

In 19th century England, a noted brain surgeon rescues a former student from being hanged on a false conviction for murder, and spirits him away to an ancient, repurposed abbey far in the countryside. There, he connives his pupil into assisting him in mapping the functions of the various parts of the human brain, using living subjects who are under a terrible animation-suspending drug called "black sleep". Subsequently, the student, along with the daughter of one of the subjects, discover that most of these subjects have survived but are being kept in a dungeon-like cellar, in various stages of physical and mental derangement...

Dr. Eric Vornoff, with the help of his mute assistant Lobo, captures twelve men for a grisly experiment; His goal to turn them into supermen using atomic energy. Reporter Janet Lawton, fiancée of the local lieutenant, vows to investigate Vornoff's supposedly haunted house.

High society sleuths Nick and Nora Charles run into a variety of shady characters while investigating a race-track murder.