When two ecologists break-in the laboratory of Dr. Belmont, they find a box with a subject and they decide to set the experiment free in the woods. During the transportation, the box opens and releases the mutant Tasmanian Devil that devours the two activists and escapes to the woods. Meanwhile, Dr. Belmont's son Hunter travels in a van with four friends to film a horror movie in the cemetery in the woods, while Belmont and his associate Dr. Christine Kollar seek their deadly experiment called Precious.
A horrified teen mutates into a crazed cannibalistic swamp creature, and must uncover the terrifying secret identity of his father before his nasty natural tendencies force him to make jambalaya out of the locals.
A crazed evil wizard uses his powers to take revenge on beautiful women by making them vomit up live centipedes, which then proceed to eat their victims.
Radioactive waste dumped off the coastline creates mutant monsters. The beasts attack slumber parties, beaches, tourists, and terrorize a waterfront community as a scientist, his daughter, her boyfriend and the local police try to find a way to stop them.
A giant prehistoric praying mantis, recently freed from the Arctic ice, voraciously preys on American military at the DEW Line and works its way south.
Mutant snakes survived a terrorist attack on a government laboratory, and they now threaten the town of Santa Mira Springs, California. Seismic activity has brought snakes to the surface, where residents are being bitten. Victims can transmit the virus to healthy persons. The military puts the town under quarantine. Local physicians try to control the epidemic, while the military is primarily concerned with keeping the virus a secret.
A young girl, with an amazing ability to communicate with insects, is transferred to an exclusive Swiss boarding school, where her unusual capability might help solve a string of murders.
After a new cannery introduces scientifically augmented salmon to a seaside town in the Pacific Northwest, a species of mysterious, mutated sea creatures begin killing the men and raping the women.
A marine biologist and a government agent investigate mysterious deaths and rumors of a sea monster in a secluded ocean cove, and find themselves involved with a marine biology professor conducting secretive experiments, international spies trying to steal his secrets, a radioactive light on the sea bottom, and the malevolent thing which guards it.
Police lieutenant detective Thomas 'Thom' Randall's steady girl-friend, Dr. Jennifer 'Jen' Allen, is Dr. Aaron Michaels's main assistant on his pharmaceutical firm Bellion's research program to cure the highly contagious, fatal infection Guinin. A convicted murderer, whom Thom arrested, is one of their special drug test subjects, but escapes. The convict and Jen are affected by radioactively altered DNA from an experimental reactor used on mosquitoes which transfer quinine. The convict soon mutates into a mosquito-like monster, which sucks its victims dry. By the time Thom and his junior murder brigade partner Charlie Morrison figure out what happens, Jen starts mutating herself.
A mad scientist unleashes his master plan: to transform himself into a mutated walking catfish, and gain revenge on those who have spurned him. His plans go wrong, and he becomes tempted to kidnap a nubile young woman to similarly transform her so that he can breed.
A space capsule crash-lands on Earth, and the astronaut aboard disappears. Is there a connection between the missing man and the monster roaming the area?
After their plane crashes in the Pacific Ocean after a storm a group of people scramble to a tropical island. At first the place seems home to palm trees and exotic wildlife but on the discovery of a disused military base they find out the island poses a severe threat to them
'Hell' is the name of the hero of the story. He's a prisoner of the women who now run the USA after a nuclear/biological war. Results of the war are that mutants have evolved, and the human race is in danger of extinction due to infertility. Hell is given the task of helping in the rescue of a group of fertile women from the harem of the mutant leader (resembling a frog). Hell cannot escape since he has a bomb attached to his private parts which will detonate if he strays more than a few hundred yards from his guard.
A man enclosed in a plastic bubble, his sister, and their best friend must defend an apartment complex from the mutant Judas Breed insects.
A teenager's infatuation with the new bad boy at school leads him onto a dark path.
A nasty virus has spread throughout the human race turning the population into something ...else. After a brief setup (and a messy hit and run) we’re introduced to an ambulance and its four occupants. Sonia and Marco are together and riding with two police officers. Tensions rise between them as they head for a mythical research facility called NOAH that is reportedly infection free and working on a cure, and circumstances lead to Sonia and Marco holing up alone in an abandoned building. She’s pregnant, in love, and apparently immune to the virus… and she realizes that he’s been infected. He slowly transforms but her love for him refuses to give up on a cure, so she sets out to survive the onslaught of infected, attacks from still-human marauders, and the growing threat from her baby’s daddy.
Happy go-lucky teen Billy Duncan discovers an otherworldly laser gun in the southern California desert, making him the target of a pair of aliens who had recently executed its previous owner.
A curious group of friends sneak into an abandoned spinach canning factory to film a documentary on the legend of the "Sailor Man," who is said to haunt the factory and local docks.
A rich actress who has gotten too old for leading roles employs a scientist who is working on a formula for eternal youth. The formula involves withdrawing certain fluids from the human brain. She takes the serum, but its unforeseen side effects turn her into a murderous monster.