Toy Story 4 hidden references as Boo from Monsters Inc. spotted in latest trailer - Heart

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

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

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

20 Easter Eggs From The Toy Story 4 Trailer That You Might've Missed

Is Boo in Toy Story 4? Pixar Easter Eggs REVEALED!

Toy Story 2 (1999) - News - IMDb

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

20 Easter Eggs From The Toy Story 4 Trailer That You Might've Missed

20 Easter Eggs From The Toy Story 4 Trailer That You Might've Missed

Toy Story 2 (1999) - News - IMDb

Monsters, Inc Details You Might've Missed

toy story – UPROXX

How Luca Fits Into The Pixar Shared Universe Theory

In-Depth Look at the Easter Eggs Hidden in Toy Story That Time Forgot (UPDATED w Inside Out, Coco and Cars 3 hidden items) - Pixar Post

Toy Story 4 hidden references as Boo from Monsters Inc. spotted in latest trailer - Heart

All of the Easter Eggs from the new 'Toy Story 4' trailer