There's a lot of hidden Easter eggs in Disney movies, not just in Pixar films, but also in the older animated films like Aladdin and The Little Mermaid. And you probably didn't know they were there at first glance. Some of them are really hard to spot, but we posted them here for you to discover. Enjoy.

Flynn and Rapunzel from Tangled are surrounded by library books, three of which include Disney classics like The Little Mermaid,Sleeping Beauty, and Beauty and the Beast,

In the dentist's office in Finding Nemo, you can see Buzz Lightyear from Toy Story.

This scene from Up shows a little girl has two very familiar toys: the Pixar Ball and the Lotso Hugging Bear from Toy Story 3.

In Cars, there's a small town called Radiator Springs, and it has 1 movie theater. And it's playing The Incredi-mobiles! Sounds like the Cars version of Incredibles.

In Lilo & Stitch, you'll see that Nani has a poster of Mulan!