A mad scientist implants an electronic device into the brain of an injured soldier, which turns him into a psychotic killer.

A circus owner and a hunter's daughter go into an African jungle in order to capture a giant gorilla named Gorga just so that he can be used as an attraction for the former's circus.

David gives his wife, Joyce, an unexpected—and unpleasant—surprise when he suddenly demands a divorce. When she then learns that David has taken up with a younger woman, Joyce decides to make the most of this separation by taking a solo trip to the Caribbean. However, just before diving into a vacation fling, she runs into Emily, an old chum whose own divorce has left her embittered. Joyce then debates giving married life one last chance.

Amir, the benevolent ruler of Kalid, is dying, but there is hope. Freshly deceased, he is flown to the United States where Dr. Trenton transplants his brain into the body of a simpleton in a classic "assistant got the wrong kind of body" plot line. Dr. Trenton has a few nefarious plot twists of his own in mind, and then there's the thing with the dwarf and the women chained in the basement. It's up to Amir's friend Bob and wife Tracey to try and salvage this tale.

After an astronaut space capsule is detonated in orbit, with the astronaut begging to be killed, a teenager couple finds a severed arm on a remote beach. The boy takes the arm home, where it becomes animate and the alien force which animates it soon possesses his mind as well.

The Satans, a sadistic biker gang led by Anchor, go to a diner in the middle of the California desert where they terrorize owner Lew, waitress Tracy, and the patrons. One patron manages to escape, and must reach a town before the Satans catch up to and kill them.