"Monsters, Inc." (2001) is an American computer-animated comedy directed by Pete Docter and starring John Goodman and Billy Crystal. Monsters enter the human world in order to scare children. They use the screams of kids to make electricity for their city - Monstropolis. But the problem is, children are becoming more and more difficult to scare. One day, a little girl gets into their world. The top scarer nicknamed Sulley becomes attached to her and realizes that laughter is much more powerful than screams.. "Monsters, Inc." (2001) is an American computer-animated comedy directed by Pete Docter and starring John Goodman and Billy Crystal. Monsters enter the human world in order to scare children. They use the screams of kids to make electricity for their city - Monstropolis. But the problem is, children are becoming more and more difficult to scare. One day, a little girl gets into their world. The top scarer nicknamed Sulley becomes attached to her and realizes that laughter is much more powerful than screams.