Like most dogs, Big Dog and Little Dog go for walks, play in puddles, and snuggle up for a nap when they are sleepy, but sometimes they can be a bit mischievous, and downright silly.

George and Harold create a new comic book hero in Dog Man, a crimefighter with the head of a police dog and the body of a policeman, who faces off against his archnemesis Petey the cat. Jorge y Berto crean un nuevo héroe del cómic en Dog Man, un criminal con el jefe de un perro policía y el cuerpo de un policía, que se enfrenta a su archienemigo Petey el gato.