In Arborville, California, three high school students try to protect their hometown from a gelatinous alien life form that engulfs everything it touches. The first to discover the substance and live to tell about it, the trio witness the Blob destroying an elderly man, then it growing to a terrifying size. But no one else has seen the goo, and the police refuse to believe the kids without proof.
A space shuttle mission investigating Halley's Comet brings back a malevolent race of space vampires who transform most of London's population into zombies. The only survivor of the expedition and British authorities attempt to capture a mysterious but beautiful alien woman who appears responsible.
When a comet passes close to the earth, machines all over the world come alive and go on homicidal rampages. A group of people at a desolate truck stop are held hostage by a gang of homicidal 18-wheelers. The frightened people set out to defeat the killer machines ... or be killed by them.
Having just returned from a mission to Mars, Commander Ross isn't exactly himself. He's slowly becoming a terrifying alien entity with one goal -- to procreate with human women! When countless women suffer gruesome deaths after bearing half-alien offspring, scientist Laura Baker and hired assassin Press Lennox use Eve, a more tempered alien clone, to find Ross and his brood. Before long Eve escapes to mate with Ross.
When a virus leaks from a top-secret facility, turning all resident researchers into ravenous zombies and their lab animals into mutated hounds from hell, the government sends in an elite military task force to contain the outbreak.
Following the outbreak of a virus that wipes out the majority of the human population, a young woman documents her family's new life in quarantine and tries to protect her infected sister.
At a remote Arctic research station, four ecology students discover the real horror of global warming is not the melting ice, but what's frozen within it. A prehistoric parasite is released from the carcass of a Woolly Mammoth upon the unsuspecting students who are forced to quarantine and make necessary sacrifices, or risk infecting the rest of the world.
A television reporter and her cameraman are trapped inside a building quarantined by the CDC after the outbreak of a mysterious virus which turns humans into bloodthirsty killers.