MONSTERS INC. tells the story of two monsters who live in a world just outside the closet. Best friends Mike (an always hilarious Billy Crystal) and Sully (John Goodman) work at Monster's Inc. They earn their living by scaring kids. The childrens' screams build up in canisters and provide enegery to Monster City. Humans are believed to be toxic.
But when a little girl Sully names Boo comes into Monster City through her closet door, Sully and Mike was work against the schemeing Randall to get her back home.
There are some scenes involving Boo in peril that might frighten little kids. There is no language or sex at all. Highly recommended.