CatDog is an American animated television series created for Nickelodeon by Peter Hannan. The series depicts the life of conjoined brothers, with one half being a cat and the other a dog. Nickelodeon produced the series from Burbank, California. The first episode aired on April 4, 1998 (following the Nickelodeon Kids' Choice Awards), before the show officially premiered in October. The episode "Fetch" was also shown in theaters with The Rugrats Movie.

Toward the end of the series run, a made-for-TV film was released, titled CatDog: The Great Parent Mystery. Reruns were played on Nicktoons until 2011 and later aired on TeenNick as part of The '90s Are All That block. The series is produced by Nickelodeon Animation Studio and Peter Hannan Productions and is currently being released on DVD.

Nicktoons: Attack of the ToybotsEdit

CatDog appear as a Master Model that you have to collect in Nicktoons: Attack of the Toybots. They appear as Master Models in both the console and handheld version of the game.

Ultimate Nickelodeon Brawl Stars XEdit

CatDog were first seen on the "Days of the Future Past" art of Ultimate Nickelodeon Brawl Stars X. There is was shown that Dog was slain, while Cat was apprehended. This caused a lot of commotion and speculation about how CatDog's body works. Later CatDog was put on a poll to see who could be the next DLC and they won the third round.

Nicktoons RacingEdit

CatDog appear as playable characters in Nicktoons Racing. They share the same kart and the only ones to represent their franchise. They also have two tracks based on their show; Rancid Raceway and Nearburg Rally.

Other GamesEdit

They appear as the hosts of Nickelodeon Party Blast.