Petey ran away as well, disgusted by Dog Man's smell, but then Petey got caught in a cop's net upon coming out of the hole and got sent to jail. When Daryl mentions that the Cannery Grow Factory was destroyed, he is referring to in Chapter 7 of Dog Man: Lord of the Fleas. Li'l Petey and Molly's songs are parodies based on Twinkle Twinkle Little Star, Take Me Out to the Ball Game, and If You’re Happy and You Know It.

Dav Pilkey’s popular Dog Man series stars a part-dog, part-human police officer created when an officer and his police dog are injured in an accident. Interrupted story to bring news of the population protesting at the beach, where the fleas are reported to be. Even after she passed away, Petey felt that love with Li'l Petey and thinks that love can last forever. The sub shrinks down to normal, Chief and Nurse Lady rejoin, everyone works the rest of the day to start restoration of Petey’s Lab.The boss found out the perfect headline: TWENTY THOUSAND FLEAS UNDER THE SEA, but Bob knew the numbers are not true.

After the surgery, the news of the surgery spreads like wildfire and there are news articles about Dog Man being the new best cop.

Uncle Larry, Daryl, Mike and Ducky all wonder who they are referring to: The FLEAS, but Mike introduced them as the Friendly Friends. With themes of friendship and doing good, Dog Man: Twenty Thousand Fleas Under the Sea is packed with action and hilarity.

In the mess, Crunky and Bub leave to find Piggy’s plans to escape that they lost, and Piggy decides to fly off with an apprehensive Daryl and leave them behind. One of the frogs named Melvin (a know-it-all) keeps on answering the questions, until all the frogs start to run away. Petey told Dog Man isn't that much of a bad guy and was about to thank him, until Dog Man cuffed him, which made Petey mad. He mistakenly identifies himself as Petey the Cat, and Donna rejects him, no one will help a jailbird. Unfortunately, Petey finds out about the news, and he is angered by how he accidentally created the world's best cop, so he came up with an idea to kill Dog Man.Officer Knight tried asking Greg what wire he should cut, but Greg answered incorrectly since he was colorblind, causing the bomb to explode. When Greg the police dog and his cop companion are injured on the job, a life-saving surgery changes the course of history, and Dog Man is born.