 The set includes full audio commentaries for six episodes, deleted scenes for most episodes, blooper reals, audition tapes, character profiles, the international version of the episode "Pilot", an "Inside the writers' room" featurette, and other special features.The set is filmed in , with English subtitles available, and Dolby Digital 5.1 Surround.The DVD set was released in the United Kingdom and other Region 2 countries on January 9, 2008, and was released in Australia on April 30 of the same year.