Spermula

A race of space vampires arrives in London and infects the populace, commencing an apocalyptic descent into chaos.

When creepy things start happening at Herrington High, the students begin to suspect that their faculty is being controlled by body-snatching aliens.

With the future of the human race at stake, a group of young men and women -- bred for intelligence and obedience -- embark on an expedition to colonize a distant planet. When they uncover disturbing secrets about the mission, they defy their training and begin to explore their most primitive natures. As life on the ship descends into chaos, they soon become consumed by fear, lust and an insatiable hunger for power.

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.

The residents of a suburban high-rise apartment building are infected by parasites that turn them into mindless nymphomaniac fiends.

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.