Trivia / A Fairly Odd Movie: Grow Up, Timmy Turner!

  • Actor Allusion: Live action Cosmo is played by Jason Alexander, best known for his role in a show with another character named Cosmo. Additionally, live action Wanda is played by Cheryl Hines, best known for her role in said show's spiritual successor.
  • Casting Gag: Daran Norris as Timmy's Dad, who voiced him in the series and was modeled after him.
  • Screwed by the Network: The first showing of the movie and the subsequent re-airings; Apparently, even for the first broadcast, they cut some scenes and for the subsequent re-airings they cut out even more scenes. This is the first time this has happened with the show as even the reruns are shown in their entirety on Nickelodeon.
  • Shoot the Money: Jason Alexander and Cheryl Hines roles in the movies despite being heavily advertised they were playing Cosmo and Wanda.