Without Warning (1980)

Post-apocalyptic survivors find refuge in the Rocky Mountains to hide from giant, insect-like creatures that can't live above 8,000 feet. However, when one of them needs life-saving supplies, they risk it all to venture into the danger zone.

Residents in a lonely gulch of inland California bear witness to an uncanny, chilling discovery.

Ruth and Harry decide to take a romantic backpacking trip through the Pacific Northwest, but amongst the beautiful scenery, Ruth makes an unexpected discovery that sets her off on a strange, frightening new path. The couple aren't alone in the woods, and they might not be the same when they come out...if they come out.

A woman returns to her family home and discovers it to be inhabited by monsters.

Three friends making a web series about their town discover that their neighbors are being killed and replaced by creatures who are perfect copies of their victims.

On Saint Patrick's day—a night of wild parties and drunken revelry—three unlikely friends band together to save a college town from a vicious horde of body-snatching aliens.

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 years ago, a tear in the fabric of reality brought creatures to our world from an alternate dimension bent on our destruction. A father hides his daughter on an island to keep her safe while he prepares her for survival and the battles to come. But when the world is about to break, no place is safe.

As New York City is invaded by alien creatures who hunt by sound, a woman named Sam fights to survive with her cat.

Two years into an intergalactic invasion of Earth, survivors in Sydney, Australia, fight back in a desperate ground war. As casualties mount by the day, the resistance and their unexpected allies, uncover a plot that could see the war come to a decisive end. With the Alien invaders hell-bent on making earth their new home, the race is on to save mankind.