Pixar has been known for including Easter Eggs in its films, adding Pizza Planet, Luxo Ball, A113, or something the next film. Because the movies allude to each other, Jon Negroni came up with the Pixar Theory: the films together have a unified timeline that spans centuries. The video below explains how Earth went from Up to Cars, and A Bug’s Life to Monsters Inc.
And for those who don’t have 8 minutes to spare.
