CatDog (TV Show) is an American animated television series created by Peter Hannan for Nickelodeon.[1] The series follows the life of conjoined brothers of different species, with one half of the resultant animal being a cat and the other a dog. Nickelodeon produced the series from Burbank, California.[2] The first episode aired on April 4, 1998, following the 1998 Kids' Choice Awards, before the show officially premiered in October of that year. Similarly, the Season 2 episode "Fetch" was shown in theaters with The Rugrats Movie in 1998 before airing on television.[citation needed] The series ended on June 15, 2005, after a total of four seasons and 68 episodes over 7 years. It was produced by Nickelodeon Animation Studio and Peter Hannan Productions, and was released on DVD in Region 1 by Shout! Factory. Two animation studios—Saerom Animation through Watchview Studio and Rough Draft Studios through Rough Draft Korea—worked on the animation for the show.