The Amazing World of Gumball/Allegra's Window

Cast

 * Anais as Allegra
 * Gumball as Rondo
 * Nicole as Sonata
 * Richard as Clef
 * George Jetson (from The Jetsons) as Reed
 * Mrs. Keane (from The Powerpuff Girls [1998 Edition]) as Mrs. Melody
 * Brandy Harrington (from Brandy and Mr. Whiskers) as Lindi
 * Muscle Man (from Regular Show) as Riff
 * Mr. Krabs (from SpongeBob SquarePants) as Mr. Cook
 * Darwin as Poco