CatDog is an American animated sitcom created by Peter Hannan for Nickelodeon. It follows the zany hijinks of a cat and dog who are inexplicably conjoined at the waist. Nickelodeon produced the series from Burbank, California. The first episode aired on April 4, 1998, following the 1998 Kids' Choice Awards, before the series officially premiered on October 5, 1998. Similarly, the Season 2 episode "Fetch" was shown in theaters in 1998 before airing on television.