Timmy accidentally wishes the Nega Chin (the Crimson Chin's ultimate enemy) out of the comic book, but still thinks it's the Crimson Chin. He hides him in his treehouse, and has Cosmo and Wanda grant his wishes. Timmy realizes who he is and what the wishes were (all his villain friends out of the comic book and Cosmo and Wanda's magic can't touch him, he can't be wished back into the book, and that Timmy can't wish his room clean, something his parents told him to do or he'd be in big trouble). So Timmy must give his parents their super hero powers back to stop them, and has the Crimson Chin help as well.