Sully and Mike are monsters who work at Monsters, Inc., a power plant that generates energy for the monster world by frightening human children in their beds. One night, Sully accidentally lets a human girl into the monster world, and Sully and Mike must get her back to her room before any other monsters find out.

Computer animation. Original story by Pete Docter ... [et al.]. Originally produced as a motion picture in 2001. Includes shorts Mike's new car and For the birds. Includes audio commentary by crew, isolated sound effects soundtrack, outtakes, eleven production featurettes, original story treatment, deleted concepts, alternate scene, outtakes, multi-angle storyboard sequence, four design galleries, six 3-D design models, guide to in-jokes, multi-angle animation demonstration, premiere footage, poster gallery, three theatrical trailers, four television spots, multi-language reel, music video, interactive game, two bonus sequences, Japanese television footage, DVD storybook, DVD-ROM features, "Monsters, Inc. orientation" featurette and gallery. Disc one contains feature; disc two contains bonus materials. Widescreen format: "Enhanced for 16x9 televisions"--Container. Standard format: "Specially reformatted for standard televisions"--Container.