The Fairly OddParents: Season 1, Episode 1 - ProjectFreeTV

1 - 1: The Big Problem

Faced with the hardships of being short, Timmy wishes to become an adult, but with unsatisfying results. Then, after being informed that Cosmo and Wanda will be reassigned to a new child since fairies can only grant wishes to children, Timmy, with their help, must find his inner child in order to wish himself young again.