Cameos, in-jokes, re-used animation and other trivia from Toy Story 4.
- Toy Story 4 will be the second Pixar film to be released on June 21st, after Monsters University.
- This is the first Toy Story film to be shot in the 2.35:1 aspect ratio, unlike the other Toy Story films which were produced in 1.85:1.
- Don Rickles, Mr. Potato Head's voice actor, passed away on April 6, 2017 before he could record any lines for the film.
- John Lasseter was set to direct the fourth Toy Story film after directing both Toy Story and Toy Story 2. Lasseter left the direction of Toy Story 3 to Lee Unkrich while he directed Cars 2. However, Lasseter stepped down as director due to having a busy schedule, leaving Josh Cooley as the film's sole director.