Docter began developing the film in 1996 and wrote the story with Jill Culton, Jeff Pidgeon, and Ralph Eggleston. Fellow Pixar director Andrew Stanton wrote the screenplay with screenwriter Daniel Gerson. The characters went through many incarnations over the film's five-year production process. The technical team and animators found new ways to render fur and cloth realistically for the film. Randy Newman, who composed the music for Pixar's three prior films, returned to compose its fourth.
Although the film suffered from two lawsuits against the filmmakers, filed by Lori Madrid before the film's release and Stanley Mouse in 2002 respectively, that were ultimately dismissed, Monsters, Inc. was praised by critics and proved to be a major box office success from its release on November 2, 2001, generating over $562 million worldwide.[1]
Monsters, Inc. saw a 3D re-release in theaters on December 19, 2012. Its prequel, Monsters University, directed by Dan Scanlon, was released on June 21, 2013.The city of Monstropolis is inhabited by monsters and powered by the screams of children in the human world. At the Monsters, Inc. factory, employees called "Scarers" venture into children's bedrooms to scare them and collect their screams, using closet doors as portals. This is considered a dangerous task since the monsters believe that