Two-Disc Special Edition: * Digitally remastered with THX certified sound * Commentary by George Lucas and co-writer/sound effects editor Walter Murch * Theatre of Noise sound-effects track with branching segments to 13 master sessions with Walter Murch * 2 New documentaries: "A Legacy of Filmmakers: The Early Years of American Zoetrope" and "Artifacts from the Future: The Making of THX 1138" * George Lucas"s original student film "THX-11384EB" * "Bald": 1971 production featurette * Five new trailers from the 2004 theatrical release * Original theatrical trailer