Trivia: When Barley and Ian are paying their toll at the "troll bridge", look on the right hand side and you can see the Pizza Planet Truck.
Trivia: The family of late author Roald Dahl who wrote the novel The Witches gave director Robert Zemeckis permission to do a remake on the condition that the ending of the movie follow the ending of the book, where the boy remains a mouse.
Trivia: This is the first time since 1988 where Frank Welker does not provide the voice for Fred Jones.
Trivia: This is the first Pixar movie that does not feature the voice of John Ratzenberger. Instead there is a cameo of an animated version of him.
Trivia: Stay tuned for an extra scene after the credits.