Disney movies aren’t always simply color and fun. Some small references in these films, whether deliberately or by accident, can end up making the stories very dark and disturbing.
Sully the Toilet Seat
In “Toy Story 3,” Bonnie’s bathroom is shown to have a very familiar toilet seat cover. This fuzzy design matches the fur found on Sully in the “Monsters Inc,” and fans quickly determined that this must mean that Sully has met a horrible fate after straying into the human world to look for Boo.