The PJ Masks and George and Harold become bored with their very easily outmatched competition, so they team up and create a villain to fight. Their villain won't be evil and refuses to destroy him. Eventually, he does in turn attack Piqua from feeling neglected after The PJ Masks and George, Harold and Erica abandoned...
Needing to be cool, George, Harold, Erica and Captain Underpants return to Tarabiscoville but this time they take the M.I.S.F.A.R.T.S with them. There, they challenge the PJ Masks them in a hero competition, But a problem arises, the Evil Blowing Balls from George and Harold's comic are up to stop the Earth's rotation...
Part of the villainous asteroid filled with the evilness, went through the portal and into Piqua, and Melvin Sneedly got it and gains its powers. George and Harold found out weeks later, they and their friends team up with the PJ Masks: Power Heroes to stop Melvin.
A chaotic duel with characters from The Epic Tales of Captain Underpants and PJ Masks erupts when George, Harold, Mr. Krupp and Erica got send to a other dimension which just happens to be in Tarabiscoville, The PJ Mask's HQ, but Catboy, Owlette and Gekko accidentally teleports themselves into George and Harold's dime...