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 baby alligator is flushed down a toilet and survives by eating discarded lab animals that have been injected with growth hormones. The now gigantic animal escapes the city sewers and goes on a rampage, pursued by a cop and a big-game hunter.
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?
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 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.
Young sweethearts Billy and Kate move to the Big Apple, land jobs in a high-tech office park and soon reunite with the friendly and lovable Gizmo. But a series of accidents creates a whole new generation of Gremlins. The situation worsens when the devilish green creatures invade a top-secret laboratory and develop genetically altered powers, making them even harder to destroy!
A twelve-man team at a remote Antarctic research station discovers an alien buried in the snow for over 100,000 years. Soon unfrozen, the form-changing creature wreaks havoc, creates terror...And becomes one of them.
A new infection that simply makes people feel happy is treated as a threat by the authorities while its "victims" work to spread it to others.
After a wave of reports of mysterious attacks involving people and pets being eaten by the traditionally docile fruit, a special government task force is set up to investigate the violent fruit and put a stop to their murderous spree.
John Hawkins is set to retire from his post as police chief of the small town of Lone Crow, that is tucked away in the deep woods of northern Ontario. But following the discovery of a gruesome body with uncanny injuries, he’s pulled into an investigation to solve the horrifying mystery, which evades explanation.
A disease carried by common cockroaches is killing Manhattan children. In an effort to stop the epidemic an entomologist, Susan Tyler, creates a mutant breed of insect that secretes a fluid to kill the roaches. This mutant breed was engineered to die after one generation, but three years later Susan finds out that the species has survived and evolved into a large, gruesome monster that can mimic human form.
A plane crash surviving attorney stumbles upon a mysterious island and is shocked to discover that a brilliant scientist and his lab assistant have found a way to combine human and animal DNA—with horrific results.
After a catastrophic global war, a young filmmaker awakens in the carnage and seeks refuge in the only other survivor: an eccentric, ideologically opposed figure of the United States military. Together, they brave the toxic landscape in search of safety... and answers.
When Seth Brundle makes a huge scientific and technological breakthrough in teleportation, he decides to test it on himself. Unbeknownst to him, a common housefly manages to get inside the device and the two become one.
Industrialist François Delambre is called late at night by his sister-in-law, Helene Delambre, who tells him that she has just killed her husband, André. Reluctant at first, she eventually explains to the police that André invented a matter transportation apparatus and, while experimenting on himself, a fly entered the chamber during the matter transference.
Mercer's brother, an amateur pilot, crashes on an island and is killed by a giant spider. A year later, when Mercer goes in search of him, she discovers a breed of poisonous arachnids ready to attack.
Taking an ill-advised detour en-route to California, the Carter family soon run into trouble when their RV breaks down in the middle of the desert. Stranded, they find themselves at the mercy of monstrous cannibals lurking in the surrounding hills.