20 Must-Watch Animated Movies

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)