CatDog is an American animated television series on Nickelodeon, created by Peter Hannan. History Nickelodeon at first ordered 40 episodes for the series and planned to debut it in fall 1998. Nickelodeon produced the series from Burbank, California, United States. Premise The show details the misadventures of CatDog, a conjoined cat and dog. Despite sharing a body, Cat and Dog are wildly different: Cat is worldly, wise, and suave, contrasting with the optimistic and childlike Dog. Though they'r… (More on Catdog)