Piranha (1978)

College student Lucy and 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.

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.

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.

When a group of tourists stumble into the remote Australian river territory of an enormous crocodile, the deadly creature traps them on a tiny mud island with the tide quickly rising and darkness descending. As the hungry predator closes in, they must fight for survival against all odds.

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.

Four kayakers take the wrong river into a jungle inhabited by a tribe of merciless cannibals.

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.

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.

When the seaside community of Amity finds itself under attack by a dangerous great white shark, the town's chief of police, a young marine biologist, and a grizzled shark hunter embark on a desperate quest to kill the beast before it strikes again.

Years after a terrible boating accident, Angela is sent to Camp Arawak where a series of bizarre and violent "accidents" begin to claim the lives of various campers.