17. Monsters, Inc.
Plot:
In order to power the city, monsters have to scare children so that they scream. However, the children are toxic to the monsters, and after a child gets through, two monsters realize things may not be what they think.
Rotten Tomatoes: 96%
IMDB: 8.1
Gross worldwide revenue: $579,707,738
Release date: November 2, 2001 (United States)