Knick Knack (theatrical; 3:28)
Films Short; IMDb; Pixar; Pixar Wiki; TV Tropes; Wikipedia
streaming sites: Amazon; Disney+; Google Play; iTunes; Vudu; YouTube

This was originally released in 1989, several years before Pixar began making feature films. It later played in theaters before the 2003 movie Finding Nemo, and is included on the DVD of that movie, as well as the Pixar Short Films Collection, volume 1. Anyway, there's this snowman in a snow globe, who wants to break out so he can join some other souvenirs on a shelf. That's all I'll say about the plot, but it's really funny (and frustrating).