The Fairly OddParents: Season 4, Episode 3 - ProjectFreeTV

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Baby Face: Timmy's parents were going to "meet the president" (an excuse to go to the beach) and Timmy is sent to "Flappy Bob's Learnatorium" since Vicky can't take care of him (due Timmy's wish). While he's there, he encounters Francis. In order to hide from him, he wishes that he could be a baby. Unfortunately, after being turned into a baby he finds out that he isn't able to speak and wish himself back to 10 years! Mr. Right: Tired of being wrong every time, Timmy wishes that he's always right. This means that everything that he says happens. Unfortunately, when Crocker asks him if he has Fairy Godparents, Timmy answers NO and his godparents disappear.