 The films were digitally restored and remastered, with additional changes made by George Lucas.The bonus features include a commentary by George Lucas, Irvin Kershner, Ben Burtt, Dennis Muren, and Carrie Fisher, as well as an extensive documentary called "".Also included are featurettes, teasers, trailers, TV spots, still galleries, video game demos, and a preview of "Revenge of the Sith".