The Alien Legacy (DVD) THX Mastered 20th Anniversary Special Edition features Sigourney Weaver and other actors from the Alien franchise. This special edition DVD comes in a tall/DVD case and includes THX features for enhanced viewing experience. The film, which celebrates its 20th anniversary, promises to deliver a thrilling and compelling story that fans of the franchise will appreciate. This edition is a must-have for collectors and fans of the iconic Alien series.