Piranha (1978)

Lucy, a college student, along with her friends, spend their vacation at her family's home in Hawaii, which includes her pet chimpanzee, Ben. However, when Ben contracts rabies after being bitten by a rabid animal, the group must fight for their lives in order to avoid the now-violent chimp.

Cocky researcher Sebastian Caine is working on a project to make living creatures invisible. Determined to achieve the ultimate breakthrough, Caine pushes his team to move to the next phase — using himself as the subject. The test is a success, but when the process can't be reversed and Caine seems doomed to future without flesh, he starts to turn increasingly dangerous.

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.

On one last grueling mission during Army Ranger training, a combat engineer must lead his unit in a fight against a giant otherworldly killing machine.

Arizona ants mock the food chain on their way to a desert lab to get two scientists and a woman.

A deadly airborne virus finds its way into the USA and starts killing off people at an epidemic rate. Col. Sam Daniels' job is to stop the virus spreading from a small town, which must be quarantined, and to prevent an over reaction by the White House.

At a secluded summer camp, timid and introverted 12-year-old Morgan is thrust into a waking nightmare when a once-fabled campfire tale becomes real. As a mysterious figure descends upon the camp, Morgan and his newfound friends must embark on a treacherous journey and uncover a sinister reality buried beneath the surface.

A group of friends facing mid-life crises head to the rainforest with the intention of remaking their favorite movie from their youth, only to find themselves in a fight for their lives against natural disasters, giant snakes and violent criminals.

A teenager's weekend at a lake house with her father takes a turn for the worse when a group of convicts wreaks havoc on their lives.