Cartoon Network vs Nickelodeon was originally the 57th episode of Epic Rap Battles of Cartoons, and the 24th episode of season 3. Matthew said it was scrapped because "...it started sounding pretty shit and I had a better idea for the finale." An unfinished audio with Matthew's flow test vocals was released on September 8, 2016 to SoundCloud.
Fel as Dexter and Gumball Watterson
Zack (CMRB) as Bloo and Sanjay Patel
Mat4yo as Lazlo
Anthony Perry as Ed, Fanboy, and Phineas Flynn
WoodenHornets as Invader Zim and Tom Cat
Froggy as Doug Funnie, Lucky, and Yugi Moto
Justin Buckner as Rocko
Zander Peers as Tommy Pickles and Harvey Beaks
VinnyO as Finn the Human
Frenzy as Mordecai and Dipper Pines
Matthew Thomas as Steven Universe and Wander
Stofferex as SpongeBob SquarePants, Monkey D. Luffy, and Scooby-Doo
Leafy Dubs as Star Butterfly
LillyLeaf as Twilight Sparkle
Kimblems as Dan
Leannaire as Zoe Trent
Vanilla Voices as Naruto Uzumaki
MetalFireVA as Yami Yugi
Liam Marshall as Edward Elric
MaNCHA as Papa Smurf
Ivo Hora as Fred Flinstone
Most of the performances in the audio are flow test recordings by Matthew. The only actors who recorded for this battle are Fel, Anthony, Zander Peers, Frenzy, LillyLeaf, and Liam.
- A preview for this battle was shown in the video Another Set of ERBOC Season 3 Previews! It featured Dexter's, Gumball's and Steven's parts.
- This battle doesn't include the "Who Won?" bit at the end of the battle, similar to each of the Epic Rap Battles of History Season finales.