When does CatDog return?

The series follows the life of yellow conjoined brothers of different species. The first episode aired on April 4, 1998, following the 1998 Kids' Choice Awards. The series ended on June 15, 2005, after a total of four seasons and 68 episodes over 7 years.
The series revolves around Cat and Dog, a conjoined flexible twin of a cat and a dog, who share the same body with no tail or hind legs. Although they are best friends and brothers, they have very different personalities. The series takes place in Nearburg, a town dominated by anthropomorphic animals.