Limited Edition Features:
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Behind-the-scenes featurettes: "On the Set - The Lord of the Rings: The Two Towers," "Return to Middle-earth"
Short film directed by Sean Astin, "The Long and Short of It," and the making of "The Long and Short of It"
Featurettes created for lordoftherings.net: "Forces of Darkness," "Designing the Sounds of Middle-earth," "Edoras: The Rohan Capital," "Creatures of Middle-earth," "Gandalf the White," "Arms and Armor," "The Battle of Helm's Deep," "Bringing Gollum to Life"
Exclusive 10-minute behind-the-scenes preview of The Lord of the Rings: The Return of the King
Original theatrical trailers and TV spots
"Gollum's Song" music video by Emiliana Torrini
Preview of Electronic Arts' video game The Lord of the Rings: The Return of the King
Inside look at the Special Extended DVD Edition of The Lord of the Rings: The Two Towers
DVD-ROM content: Exclusive online content

Limited Edition Features:
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Over 43 minutes of new and extended scenes
Four feature-length audio commentaries by the director and writers, the cast, the production and design teams, with over 40 participants including Peter Jackson, Fran Walsh, Phillippa Boyens, Barrie M. Osborne, Richard Taylor, Andrew Lesnie, Howard Shore, Jim Rygiel and Joe Letteri, and cast including Elijah Wood, Sean Astin, John Rhys-Davies, Billy Boyd, Dominic Monaghan, Orlando Bloom, Christopher Lee, Sean Bean, Miranda Otto, Brad Dourif, Andy Serkis, Bernard Hill, and more
Five original documentaries covering adapting the book into a screenplay, the origins of Middle-earth, designing Middle-earth, a visit to the Weta Workshop, and an in-depth look at creating and bringing Gollum to life
Two interactive maps: Middle-earth Atlas and New Zealand as Middle-earth
Galleries with audio commentaries (includes an archive of over 1,500 images)
Eight original documentaries covering the filming of The Two Towers, the visual effects, editing, music and sound, stunts and fight training, and a visit to Weta Digital
Interactive sound demonstration of The Battle of Helm's Deep
Galleries with audio commentaries (includes an archive of nearly 300 images)