The Fairly OddParents: Season 9, Episode 35

9 - 35: Turner Back Time

When Timmy discovers that his ancestor could have been rich if he made the right decision, Timmy wishes that his ancestor did make the right decision. While the Turner family basks in their riches, the whole town is a dump and Timmy's fairies get taken away (except for Sparky) because he's no longer miserable.