Piranha (1978)

Chaos breaks out in a small Maryland town after an ecological disaster occurs.

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.

Researchers on the undersea lab Aquatica have genetically altered the brains of captive sharks to develop a cure for Alzheimer's disease. But there's an unexpected side effect: the sharks got smarter, faster, and more dangerous. After a big storm damages their remote research facility, they must fight for their lives.

In 1959, an alien experiment crashes to earth and infects a fraternity member. They freeze the body, but in the modern day, two geeks pledging a fraternity accidentally thaw the corpse, which proceeds to infect the campus with parasites that transform their hosts into killer zombies.

A horror film told in three parts, from three perspectives, in which a mysterious transmission that turns people into killers invades every cell phone, radio, and television.

After an experimental drug trial goes awry, the test subjects face a terrifying side effect: if you fall asleep you die. Trapped in an isolated facility, panic ensues as they try to escape and somehow stay awake.

Lost in a world reclaimed by nature and overrun by mysterious creatures, Ethan, a young man with amnesia navigates the dangerous landscape in search of his lost love Emma. His journey takes an unexpected turn when he encounters Mae, a hardened and eccentric survivor. Together, Ethan and Mae face threats both human and otherwise before a fateful encounter with Kai unravels a secret that lies just beyond Ethan's fractured memory.

Five friends set out for a weekend at a remote cabin in the woods, expecting nothing more than fun and relaxation. As night falls, they discover that something far more unsettling is at work and that nothing about their getaway is what it seems.

A small town is taken over by an alien plague, turning residents into zombies and all forms of mutant monsters.

When a man is eaten alive by an unknown creature, the local Game Warden teams up with a paleontologist from New York to find the beast. Add to the mix an eccentric philanthropist with a penchant for "Crocs", and here we go! This quiet, remote lake is suddenly the focus of an intense search for a crocodile with a taste for live animals...and people!

Survivors of a nuclear attack are grouped together for days in the basement of their apartment building, where fear and dwindling supplies wear away at their dynamic.

Three scouts and lifelong friends join forces with one badass cocktail waitress to become the world’s most unlikely team of heroes. When their peaceful town is ravaged by a zombie invasion, they’ll fight for the badge of a lifetime and put their scouting skills to the test to save mankind from the undead.

When their plans for a nature trip go awry, Polly and boyfriend Seth decide to check into a motel. On their way, they're carjacked and kidnapped by low-rent crooks Dennis and Lacey, who take the victims and their SUV to a nearby gas station. Along the way, they encounter an increasingly terrifying horde of parasites, and if any of them intend to survive, they'll have to outsmart the deadly organisms.

In the town of Dillford, humans, vampires and zombies were all living in peace - until the alien apocalypse arrived. Now three teenagers-one human, one vampire, and one zombie-have to team up to figure out how to get rid of the visitors.

After the fall of civilization, the few survivors have been driven to cannibalism. A young man must confront a violent tribe that has murdered his father and stolen the medicine that keeps his girlfriend alive.

When a mutating, highly contagious fungus escapes a sealed facility, two employees – joined by a grizzled bioterror operative – must survive the wildest night shift ever to save humanity from extinction.

Conducting clandestine experiments within the morgue at Miskatonic University, scientist Herbert West reveals to a fellow graduate student his groundbreaking work concerning the re-animation of fresh corpses.

Three bounty hunters from space fly back to the town of Grovers Bend, hoping to save local residents from a new batch of Critter eggs.