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.

When a new bunch of baddies arrive in town, Dog Man and his friends are called into action, but in order to save the day they need to join forces with Petey, the world's most evil cat.

A Hombre Perro se le acaba la suerte, Pedrito confronta su pasado no tan perfecto y el abuelo anda haciendo de las suyas. El mundo está fuera de control con los nuevos villanos que han llegado a la ciudad. La situación se ve oscura y sin esperanzas. Sin embargo, no todo está perdido. ¿Podrá arreglar las cosas el increíble poder del amor? "Dog Man is down on his luck, Petey confronts his not so purr-fect past, and Grampa is up to no good. The...