For "Toy Story 4," as for all Pixar films ... On the other hand, it's all warm fuzzies when we meet Ducky and Bunny, a pair of carnival-prize toys voiced by Keegan-Michael Key and Jordan Peele.

But producer Mark Nielsen recently explained that there are nods to every single Pixar movie in Toy Story 4. Here are the ones we spotted. 1. The movie opens with a flashback to nine years ago ...