Alien is the first movie of one of the most popular sagas in science fiction history, and introduces Sigoureny Weaver as Ripley, the iron-willed woman destined to battle galaxy's ultimate creatures. The terror begins when the crew of a spaceship investigates the 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.
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