Trivia: When Hagrid is welcomed back to Hogwarts and everyone stands up and applauds, Vincent Crabbe also stands up and starts to applaud as well. This wasn't in the script and Tom Felton, staying in character, quickly grabbed Jamie and pulled him back down.
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: If you've seen the part of "Four Rooms" called "The Misbehavers" you will notice in Spy Kids II, Antonio Banderas is combing Juni's hair and it's almost the same scene as when he combs his son's hair in Four Rooms. (same director)
Trivia: When the real Santa and the fake Santa are fighting on the sleigh when the fake Santa is heading out to deliver coal to all the children, the fake Santa says something like 'You are a strange little man.' Buzz Lightyear (voiced by Tim Allen) in the movie Toy Story said the same thing to Woody.
Trivia: The voice of Scrappy was done by Scott Innes, who voices Scooby-Doo and others in the recent cartoons (since 1998).
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 outside of the arena where the Knights play is the Staples Center, but the inside of the arena is the Great Western Forum, two places where the Los Angeles NBA team Plays.
Trivia: When the main agent verifies his hand against the screen, one of the pieces of information listed is 'Sector 7G'. This is where Homer Simpson works at the Springfield Nuclear Power Plant.
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: This trivia happens in the scene where the Littles hire the plumber to find the ring. Nearly everybody would know that the plumber is the same actor who plays Robert in "Everybody loves Raymond" series. Well, notice his name tag: "ROB".
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: The Country Bears attraction, on which the movie was based, was originally supposed to be located at Disney's Mineral King ski resort in California. When that project was cancelled (due to opposition from environmental groups), the Bears were moved to Disney World.
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.
Trivia: Although Brian Cox and Dennis Quaid play father and son in this film, Cox is only eight years older than Quaid.
Trivia: Director Shawn Levy has a cameo during the "Whitaker and Fowl" party after the premiere, as the first guest bashing Marty's movie. (00:52:50)