Certain objects like the yellow ball from Toy Story, the Pizza Planet truck, and notably the subtle code “A113” appear in the background of plenty of different Pixar movies throughout the years.

A113 is a nod to the CalArts first-year graphic design and character animation classroom where many artists and animators at Pixar studied. You can read more about it here.

A113 is seen in Pixar movies because it’s a classroom number at California Institute of the Arts, which is where a lot of the Pixar animators went to school. It’s rare for a Disney movie to ...