The U.S. government, eager to protect the nation's avacado supplies, recruits feminist professor Margo Hunt to make contact with the Piranha Women, an all-female tribe who believe men are only good as a source of food. Accompanying Dr. Hunt on her trip are Jim, a guide of questionable competence, and Bunny, a student of unquestionable incompetence.
Experiments in biological warfare have destroyed all but a few remnants of the human race. Alone in a lab, eight students work feverishly to create a vaccine before they are forced outside in search for food. It is then that the surviving scientists discover creatures mutated by the plague. Now they prepare to do battle against their worst fear: The Terror Within.
A boy takes in a stray dog, later finding out that it's an ultra-intelligent runaway from a genetic research lab. Unbeknownst to him, the dog is being stalked by another escaped creature that's not quite so friendly.
A scientist at a Florida university inadvertently creates a "rage virus" while performing experiments intended to restore dead brain tissue in baboons. When a journalist for the college paper breaks into the campus lab, he's bitten by one of the infected baboons; the virus soon spreads to a trio of rapists and a valley girl, all of whom go on killing sprees.
When a hotelier attempts to fill the chronic vacancies at his castle by launching an advertising campaign that falsely portrays the property as haunted, two actual ghosts show up and end up falling for two guests.
A cyborg private eye is hired to protect a Caribbean president visiting New York City. Unknown to him, the president's daughter is in league with his country's rebels who are trying to assassinate him.
A group of teenagers spend the night in a furniture shop for a graduation party. When one of them talks her boyfriend into a game of hide-and-seek, a psycho killer starts hunting them down one by one.
An author who was sent to the town Drakho, because of a nervous breakdown, gets wound up in a mystery revolving around demons and werewolves. She starts seeing ghosts and dismisses them as her own imagination, but when they turn out to be real she becomes suspicious of the odd town and of its past.
A rich brother and sister are crazed killers. She lures men into her bed, and he attacks them and murders them. A detective is assigned to find the killers and bring them in.
Arriving in the small town of Fallwell, Massachusetts to claim her inheritance, horror hostess Elvira receives a less than enthusiastic reception from the conservative locals, including her sinister uncle Vincent.
Elliot, a successful gynecologist, works at the same practice as his identical twin, Beverly. Elliot is attracted to many of his patients and has affairs with them. When he inevitably loses interest, he will give the woman over to Beverly, the meeker of the two, without the woman knowing the difference. Beverly falls hard for one of the patients, Claire, but when she inadvertently deceives him, he slips into a state of madness.