Spermula (1976)

A duo of bisexual female vampires prey on passing motorists, whom they seduce and murder in the English countryside.

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.

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

In 1830, the Karnstein heirs use the blood of an innocent to bring forth the evil that is the beautiful Mircalla - or as she was in 1710, Carmilla. The nearby Finishing School offers rich pickings not only in in the blood of nubile young ladies but also with the headmaster who is desperate to become Mircalla's disciple, and the equally besotted and even more foolish author Richard Lestrange.

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.

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!

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.

After an aging voodoo priestess dies, her arrogant son Willis Daniel's believes he is next in line to lead. He is outraged when Lisa, his mother's adopted apprentice is chosen as the leader. Willis seeks revenge by reviving the African prince Blacula — but soon finds that he cannot control him.

When their plans for a nature trip go awry, Polly and boyfriend Seth decide to check into a motel. On their way, they're carjacked and kidnapped by low-rent crooks Dennis and Lacey, who take the victims and their SUV to a nearby gas station. Along the way, they encounter an increasingly terrifying horde of parasites, and if any of them intend to survive, they'll have to outsmart the deadly organisms.

A journey into uncharted and forbidden territory through three tales tangled in space and time.