One day, the mayor awarded Chief and told Dog Man to come, but Dog Man dug up the mayor’s flowers and broke City Hall. That night, Dog Man got fired, and at the police station, Chief cried. Then Dog Man went home.

Meanwhile, Grampa made an invention and made Big Jim super strong, and they escaped. Meanwhile, Little Petey made an invention that made Dog Man look like a cat. Dog Man went to the police station and got his job back, but Chief found out that it was Dog Man. He kept it a secret.

Meanwhile, Petey and Little Petey made a robot. Meanwhile, Grampa put on the hat, became strong, and went to destroy the city. He stole from banks and destroyed buildings. Dog Man dressed like a bad guy to arrest Grampa, but Grampa got angry and fought with Dog Man.

Petey told Little Petey that Grampa abandoned Gramma, and they talked. Meanwhile, Dog Man, Chief, and Sarah got arrested. Grampa went to the biggest lunch bag store and sprayed living spray on it, and it became alive. The big lunch bag got a bellyache.

Meanwhile, 80-HD and Little Petey went to save the world. Little Petey saw Molly, and they defeated the lunch box. Grampa took the cop van and threw it. Petey forgave Grampa, but Grampa got mad. Then Grampa got arrested.

80-HD got the cop van and opened it. The mayor’s house was on fire, and he went to save his teddy bear, but Dog Man saved it. He was the best cop. Petey and Little Petey went home.