Xtro

When Environmental Protection Agency inspector Steve Malone travels to a remote military base in order to check for toxic materials, he brings his family along for the ride. After arriving at the base, his teenage daughter Marti befriends Jean Platt, daughter of the base's commander, General Platt. When people at the base begin acting strangely, Marti becomes convinced that they are slowly being replaced by plant-like aliens.

During its return to the earth, commercial spaceship Nostromo intercepts a distress signal from a distant planet. When a three-member team of the crew discovers a chamber containing thousands of eggs on the planet, a creature inside one of the eggs attacks an explorer. The entire crew is unaware of the impending nightmare set to descend upon them when the alien parasite planted inside its unfortunate host is birthed.

First-time father Henry Spencer tries to survive his industrial environment, his angry girlfriend, and the unbearable screams of his newly born mutant child.

In Arborville, California, three high school students try to protect their hometown from a gelatinous alien life form that engulfs everything it touches.

In 1993, the Search for Extra Terrestrial Intelligence Project receives a transmission detailing an alien DNA structure, along with instructions on how to splice it with human DNA. The result is Sil, a sensual but deadly creature who can change from a beautiful woman to an armour-plated killing machine in the blink of an eye.

When an atomic war on Mars destroys the planet's women, it's up to Martian Princess Marcuzan and her right-hand man Dr. Nadir to travel to earth and kidnap women for new breeding stock. Landing in Puerto Rico, they shoot down a NASA space capsule manned by an android. With his electronic brain damaged, the android terrorizes the island while the Martians raid beaches and pool parties

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 scientist creates Proteus, an organic supercomputer with artificial intelligence which becomes obsessed with human beings, and in particular the creator's wife.

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.

When some very creepy things start happening around school, the kids at Herrington High make the chilling discovery that confirms their worst suspicions: their teachers really are from another planet!

David, a college student, is looking for a job. He is hired by Dr. Stoner as a lab assistant for his research and experiments on snakes. David also begins to fall for Stoner's young daughter, Kristina. However, the good doctor has secretly brewed up a serum that can transform any man into a King Cobra snake-and he plans to use it on David.

An American village is visited by some unknown life form which leaves the women of the village pregnant. Nine months later, the babies are born, and they all look normal, but it doesn't take the "parents" long to realize that the kids are not human or humane.

While scavenging the deep ends of a derelict space station, a group of young space colonizers come face to face with the most terrifying life form in the universe.

A lonely woman battles extraterrestrials who threaten her future while forcing her to face her past.

A biologist signs up for a dangerous, secret expedition into a mysterious zone where the laws of nature don't apply.