Twentieth Century Fox

Alien Alien is the first movie of one of the most popular sagas in science-fiction history, and introduces Sigourney Weaver as Ripley, the iron-willed woman destined to battle the galaxy's ultimate creature. The terror begins when the crew of the spaceship Nostromo investigates a transmission from a desolate planet and makes a horrifying discovery - a life form that breeds within a human host. Now the crew must fight not only for its own survival, but for the survival of all mankind.

On Earth everyone can hear you scream, especially when a horrifying PredAlien crash-lands near a small Colorado town, killing everyone it encounters-and producing countless Alien offspring-with terrifying efficiency. When a lone Predator arrives to clean up the infestation, it's an all-out battle to the death with no rules, no mercy, and hundreds of innocent people caught in the crossfire. As the creature carnage continues, a handful of human survivors attempt a daring escape, but the U.S....