Trivia: Riley is the only character in the movie with both male and female emotions.
Trivia: John Ratzenberger is Earl, an antagonistic velociraptor who is a member of Bubba's gang who tries to eat Spot. John has voiced parts in all Pixar films.
Trivia: The two surfer dudes eating Krabby Patties after Spongebob and his friends appear, are Lloyd Ahlquist and Peter Shukoff, the creators of the internet series "Epic Rap Battles of History." They were also the writers and performers of the rap battle before the credits.
Trivia: The hair style Dracula gives Dennis is similar to Al Lewis' hair style when he played Count Dracula on "The Munsters."
Trivia: Nick Park, the film's executive producer, has a cameo as the man photographing the birds at the pond.
Trivia: This was the first "Peanuts" film since the death of its creator, Charles M. Schulz, in 2000.
Trivia: Futurama's "Anthology of Interest II" episode contained a segment called "Raiders of the Lost Arcade" where Fry asks what would happen if life was more like a video game. In the segment, video games come to life and attack Earth, and it's up to Fry to save the day because of his video game playing skills. Billy West, who voices Fry, later performed voices in "Pixels", which was based on this premise.
Trivia: The version of Batman in the universe of this movie is called Kirk Langstrom. In the original DC universe, Kirk Langstrom is actually the alter ego of one of Batman's villains, known as the Man-Bat.
Trivia: Apart from the two leads, Tom Noonan voices every character (male or female) in the film.