Mr. Crocker is hypnotized into no longer believing in fairies. Unfortunately, it was his belief that powered Fairy World's magic. It's up to Timmy and his godparents to find a way to make Crocker believe again, or else Fairy World will lose magic and plummet out of the sky; When Cosmo is expelled from the house because of being an annoyance to everyone, and he suddenly turns into a superhero after he is seen flying and saving Poof by the citizens of Dimmsdale NOTE: Timmy's dad makes a cameo in this episode .