Petey Wheatstraw is a candidate to become the devil's son-in-law. The storyline is a scaffolding on which Rudy Ray Moore's standup humor can be unfolded. Beginning life as the afterbirth to a watermelon, the young Wheatstraw becomes a martial artist, but is unable to best the evil comedy team of Leroy and Skillet, who also indulge in wholesale murder. Satan restores the comedians' victims to life, and charges Petey with the task of marrying his clock-stoppingly ugly daughter to give him a grandchild. When Petey attempts to default on the deal, he is pursued by the devil's henchmen.
The depletion of the earth's ozone layer causes animals above the altitude of 5000 feet to run amok, which is very unfortunate for a group of hikers who get dropped off up there by helicopter just before the quarantine is announced.
After undergoing radical surgery for injuries from a motorcycle accident, a young woman develops a retractable, vampiric stinger in her armpit and a thirst for human blood.
A scientist creates Proteus, an organic supercomputer with artificial intelligence which becomes obsessed with human beings, and in particular the creator's wife.
Four crazed killers butchered his wife, son and daughter. From his hospital deathbed he called upon the power of the occult for revenge... And he got it, he really got it!
An American newcomer to a prestigious German ballet academy comes to realize that the school is a front for something sinister amid a series of grisly murders.
After a professor is crippled in a car accident, he blames his wife for the ordeal and attempts to have her killed using the same means. Now hospitalized with amnesia, she appears to be protected by a tiny voodoo trinket that she still clutches in her hand, which possesses her car and other objects, causing mayhem throughout the city.
When two young lovers are savagely beaten and tortured on a back country road in Texarkana, local police are baffled and must find "the Phantom Killer" before he can kill again.
A child is witness to an assault on a monk by the gang of Lorenzo the Fifth. The monk escapes and takes refuge in the estate of Doña Carlota, a countess who lives with her son Juan and daughter Beatriz. Basilisa, the maid, conjures the devil to free her son from an irreversible illness, but to do so the evil must be transmitted to an innocent soul, and for that she chooses Beatriz. The child begins to be the victim of a possession, for which everyone blames the monk.
In this horror-drama the festive fun of the annual Mardi Gras celebration is brought to a halt when a swarm of African killer bees escape from a foreign freighter.
An insane surgeon finds himself up to his armpits in eyeballs after guilt prompts him to begin removing the eyes of abducted people in hopes of performing transplants on his daughter who lost her own in a car-accident he caused.
Donna and Joel Gregory are staying at the estate of Lorna Love while researching a book about the long dead Hollywood goddess. Joel, whose father had a passionate affair with Lorna, becomes obsessed with her. His wife attempts to break the spell which threatens their marriage and their very lives.
A violent electrical storm topples power lines into the rain soaked earth that is home for an aggressive breed of worms. The high voltage causes the worms to mutate into larger, hostile hordes of man-eating worms that lie in wait for the residents of Fly Creek.
One of the many notorious 70's "unknown" documentaries, The Mysterious Monsters covers topics such as Bigfoot and the Loch Ness Monster. Pictures, sounds, and videos of these two monsters are examined by Peter Graves, the host. Psychics, hypnotism, and the history of Bigfoot in many ancient cultures is also scrutinized.
Professor "Johnny Longbow" Salina, a man who really knows his stews, introduces Paul Carlson to the practical-joking Kathy Nolan. Paul and Kathy seem to hit it off rather well but, during a meteor storm, a meteorite fragment strikes Paul, burying itself deep in his skull, which has the unpleasant side-effect of causing Paul to mutate into a giant reptilian monster at night and go on murderous rampages. It turns out that this sort of thing has happened before, when Professor Salina rediscovers ancient Native American paintings detailing a similar event many centuries ago. Kathy, however, still loves Paul, and tries to save him.