According to The Digital Bits...
Disc One of the 4-disc set will include Star Wars IV: A New Hope with audio commentary by creator/director George Lucas, Ben Burtt, Dennis Muren, and Carrie Fisher. Disc Two will feature Star Wars V: The Empire Strikes Back with audio commentary by creator/producer George Lucas, director Irvin Kershner, Lawrence Kasdan, Ben Burtt, Dennis Muren and Carrie Fisher. Disc Three will include Star Wars VI: Return of the Jedi with audio commentary by creator/producer George Lucas, Lawrence Kasdan, Ben Burtt, Dennis Muren, and Carrie Fisher. And Disc Four will include "the most comprehensive feature-length documentary ever produced on the Star Wars saga; and never-before-seen footage from the making of all three films, and much more." Depending on which version of the set you buy, you'll get the films in either anamorphic widescreen (2.35:1) or cropped full frame (both THX certified), with audio in English Dolby Digital 5.1 EX and Dolby 2.0 Surround, as well as Spanish and French Dolby 2.0 Surround, and English subtitles.
Disc Four will contain the feature-length Star Wars: The Independent Films documentary, 3 production featurettes (including The Evolution of Characters, The Influence of Star Wars and Lightsabers/Fights), a vintage 1977 "making of" featurette, a comprehensive gallery of posters and production artwork and the Star Wars: Battlefront Xbox videogame demo.
