The Fairly OddParents - Season 1 - Eps 1: The Big Problem
Tired of being a kid, Timmy wishes he could be older in order to go adult things, but his wish backfires when "Da Rules" states that now that he is an adult, Cosmo and Wanda can't grant him any wishes or turn him back into a kid until he is a kid or acts like a kid.
About The Fairly OddParents

Title: The Fairly OddParents
First Air Date: 2001-03-30
Last Air Date: 2017-07-26
Status: Ended
Rating: 7.6/10 (from 994 votes)
Language: EN
Seasons: 11
Total Episodes: 268
Network: Nickelodeon Nicktoons
Genres: Animation, Comedy, Sci-Fi & Fantasy, Kids
Production Companies: Billionfold, Frederator Studios, Nickelodeon Productions, Nickelodeon Animation Studio
Synopsis
The zany, fast-paced adventures of a 10-year-old boy and his fairy godparents, who inadvertently create havoc as they grant wishes for their pint-sized charge.
Cast

Tara Strong
Timmy Turner / Poof (voice)

Susanne Blakeslee
Wanda / Mrs. Turner (voice)

Daran Norris
Cosmo / Mr. Turner (voice)

Carlos Alazraqui
Denzel Q. Crocker (voice)

Jim Ward
Chet Ubetcha (voice)

Gary LeRoi Gray
A.J. (voice)

Grey DeLisle
Vicky (voice)

Kari Wahlgren
Chloe Carmichael (voice)