Wow! Wow! Wubbzy! Into the Cartoon Universe!

It is the fourth SBSP film and the first crossover film in the franchise, set for release on 2019. It will likely consist of three computer-generated (CG) animation and traditional 2D animation, as used in the second movie and the third movie. This film produced by Warner Bros. Pictures. Vincent Waller has given the reason for the mix of 2D and 3D animation as expense-based.

Cast

 * Wubbzy: Kenan Thompson
 * Gumball Watterson: Nicolas Cantu
 * Mighty Mouse: Patrick Pinney
 * Hector Con Carne: Phil LaMarr
 * Noskov the Bear: Heath Brannon
 * Lincoln Loud: TBA
 * SpongeBob SquarePants: Paul Reubens
 * Unikitty: Alison Brie
 * Puppycorn: Major Curda
 * Dr. Fox: Cher
 * Hawkodile: Sgt. Slaughter
 * Richard: Dan Milano
 * Darwin Watterson: TBA
 * Anais Watterson: TBA
 * Gary the Snail: Heath Brannon
 * Master Frown: Patton Oswalt