Trivia: The Zootopia taxicab service is called Thigmo Taxis, which is a pun adapted from the biological term "thigmotaxis," meaning "Movement of an organism toward or away from any object that provides a mechanical stimulus."
Trivia: Husband crab Bill is John Ratzenberger, who is in all Pixar films.
Trivia: Revealed in behind-the-scenes info, Chef was originally going to have a song called "Bringing Back Happy," explaining to the Trolls about her depressing years of unsuccessful hunts for them and how she would "bring back happy" by cooking them. However, this idea had to be scrapped due to timing issues.
Trivia: When one of the Galactic Rangers' robots falls off a platform, he yells a Wilhelm scream.
Trivia: When Tripp is talking to his truck and he says "you'll have the heart of an elephant", it refers to the nickname hot rodders called the 426 Hemi V8 from 1966-1971, called the "Elephant Motor" for its massive size and weight. It also made 425 horsepower, which Tripp incorrectly states that the engine he pulled out of the truck made.
Trivia: This is the only movie of the series where Scrat never interacts with the main heroes.
Trivia: When two food products run for cover during the end of Firewater's and the Non-Perishables "Great Beyond" belief story, you can hear the Wilhelm scream.