'' CatDog '' is an American animated television series created for Nickelodeon by Peter Hannan . The series depicts 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 . 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
1998 Kids ' Choice Awards
1998 Kids' Choice Awards
CatDog