In 1979, Alien burst onto the scene with a strong female lead in the form of Ripley (Sigourney Weaver) battling the ultimate biomechanical creature. The brilliant and terrifying result reinvented the horror and science fiction genres, creating one of the most successful and celebrated film franchises in Hollywood history. This award-winning, feature-length documentary explores the dark, nightmarish world of the popular series with compelling interviews, never-before-seen outtakes and extensive highlights from all four big-screen incarnations.