Alien (1979)

"Alien," in this 20th Anniversary edition, is the first chapter in one of the most popular and terrifying sagas in science fiction history. The nightmare begins when the crew of a spaceship investigate a transmission from a desolate planet, and discover a life form that is perfectly evolved to annihilate mankind. 

Edition Details:
Region 1 encoding (US and Canada only)
Color, THX, Widescreen, Dolby
Commentary by director Ridley Scott
Isolated musical score on a separate audio channel
Theatrical trailer(s)
Alternate music and production sound track
Deleted scenes
Artwork and photo galleries
Web links
Booklet with production notes
Widescreen anamorphic format