Toy Story 4 hidden references as Boo from Monsters Inc. spotted in

The intelligent canines from 2009's Up also appear in the latest Toy Story 4 poster as Pixar tease die-hard fans

These 'Toy Story 4' Easter Eggs Will Make Every Pixar Fan's Heart Melt

Monsters University - An In-Depth Look at the Hidden Items, References and Details of the Film - Pixar Post

Disney Movies With HIDDEN Toy Story Easter Eggs..

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Here are the best Easter eggs we spotted in 'Toy Story 4

Boo from Monsters Inc. makes an appearance in Toy Story 3 playing with a Blue Kitty

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Monsters, Inc Details You Might've Missed

In Monsters Inc (2001), Boo tries to give sully a Nemo Doll. Finding Nemo wouldn't come out until 2003. : r/MovieDetails

How to Watch the Pixar Movies in Order: Timeline Theory, Explained - IGN

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