14.Boo writes her real name, Mary, at the top of one of her drawings — Boo's real name comes from Mary Gibbs, who voiced Boo.
15.There are different sized cups for the different sized monsters that work at Monsters, Inc.
16.In this boy's bedroom you can spot a Tomorrowland poster above his bed — of course, Tomorrowland is one of the themed lands in both Disneyland and Disney World.
17.When Mike and Sulley are walking through Monstropolis, you can see that the grocery store is called Tony's Grossery.
18.You can spot the red unicycle from the Pixar short Red's Dream during the final scene — Red's Dream was Pixar's second computer-animated short.
19.The iconic Pizza Planet truck is parked outside the trailer that Randall gets stuck in.
20.Also, the trailer in Monsters, Inc. is the same one that makes a brief appearance in A Bug's Life.
21.And finally, in the end credits for the film it says, "No monsters were harmed in the making of this motion picture."
Have you spotted any amazing Monsters, Inc. details/Easter eggs? Tell us in the comments below!