Alien (1979) After a space merchant vessel perceives an unknown transmission as a distress call, its landing on the source moon finds one of the crew attacked by a mysterious lifeform, and they soon realize that its life cycle has merely begun.
IMDB rating: 8,5/10
Director: Ridley Scott
Writers: Dan O'Bannon, Ronald Shusett
Stars: Sigourney Weaver, Tom Skerritt, John Hurt