Cartoons Unite!

Cartoons Unite! is a crossover American animated series airing on Cartoon Nickelodeon Network.

Info
An evil threat arrives to destroy the multiverse, so Spongebob and Bugs Bunny work together to stop the threat.

Cartoon Network

 * Dexter, Dee Dee, Mandark, Dexter and Dee Dee's Mom and Dad, Monkey
 * Blossom, Bubbles, Buttercup, Professor Utonium, Mojo Jojo, HIM
 * Ed, Edd (Double D), Eddy, Kevin
 * Johnny Bravo
 * Cow, Chicken, The Red Guy
 * Weasel, Baboon
 * Samurai Jack, Aku
 * Courage, Murial, Eustace
 * Robot Jones

Warner Bros. Animation

 * Bugs Bunny, Daffy Duck, Porky Pig, Tweety, Sylvester the Cat, Lola Bunny, Yosemite Sam
 * Yakko Warner, Wakko Warner, Dot Warner
 * Pinky, The Brain
 * Dexter Douglas/Freakazoid
 * Collin the Speedy Boy, Flappy McFinger

Nickelodeon

 * SpongeBob SquarePants, Patrick Star, Squidward Tentacles, Eugene Krabs, Sandy Cheeks, Sheldon Plankton, Gary the Snail
 * Tommy Pickles, Chuckie Finster, Phil and Lil Deville, Angelica Pickles
 * Rocko Wallaby
 * Velocity, Elisha, Shunky
 * Ickis, Krumm, Oblina, The Gromble, Zimbo
 * Daggett Beaver, Norbert Beaver
 * CatDog, Winslow T. Oddfellow, The Greaser Dogs

Episodes
List of Cartoons Unite! Episodes