Trivia: The English version of the theme song is not a remixed version, as the previous four movie themes were - this theme has the same music and tempo as the TV version. The composers did not create a second verse to the song "Master Quest," so it has the same lyrics as the TV version all the way through.
Trivia: There is a little reference to the novel One Hundred Years of Solitude by Gabriel Garcia Marquez. Ben, the robot, upon meeting Jimmy says something like "Solitude is great, but 100 years of it..."
Trivia: The date for the newspaper Professor Utonium and Hobo Jojo read is Wednesday, July 3, 2002. That's the day the movie was released into theaters.
Trivia: In the biblical book of Jonah, there is actually no whale that swallowed Jonah. The "whale" is a mistranslation of the Hebrew word for a big fish by the translators of the King James Version. Because of the prominence, respectability, and the wide distribution (it is in the public domain in the U.S., but not in the U.K.) of the King James translation over modern translations like the New International Version, the "whale" is what most Bible readers think of the sea creature that swallowed Jonah.
Trivia: Adam Sandler's wife, Jackie Titone, was the voice of Jennifer.
Trivia: On Daniel's desk there is a picture of Courtney Cox. The man who plays Daniel is David Arquette, who was married to Courtney Cox at the time.
Trivia: Craig Bartlett, the creator of the nickelodeon show that the movie is based on, is the voice of Murray the bus driver, and others, in the movie.