Wacky Races/The Amazing World of Gumball

Cast

 * Flim-Flam (from Top 13 Ghosts of Scooby Doo) as Gumball Watterson
 * Scrappy-Doo (from Scooby Doo) as Darwin Watterson
 * Velma (from The Scooby Doo Show) as Anais Watterson
 * Daphne Blake (from The Scooby Doo Show) as Nicole Watterson
 * Fred Jones (from The Scooby Doo Show) as Richard Watterson
 * Pebbles (from The Flintstones) as Penny Fizgerald
 * The Announcer as Principle Brown
 * Blubbler Bear as Rocky
 * Rufus Ruffnut as Mr. Small
 * Sgt. Blast as The Donut Sheriff