Four-disc set includes audio and subtitles for every language in which the film was released. Disc 1 includes original Japanese audio in Digital DTS 6.1ch surround sound and stereo. Disc 2 features subtitles and Dolby Digital 2.0 stereo audio in Japanese, English, French, Mandarin, and Cantonese. Disc 3 features development stills, theatrical trailers, digest version of the making-of footage including "Sekai no Howl," comments from the English voice actors and staff, and an interview with director Hayao Miyazaki. Disc 4 includes a long version of the making-of documentary, staff interviews, and commentary on the CG used in the film.