2003

2003 (MMIII) was a common year of the Gregorian calendar that started on a Wednesday. 18 episodes premiered this year.

• January 3 - Hard Copy and Parent Hoods initially premiered in Australia.
• January 10
  • Lights... Camera.. Adam! and A Bad Case Of Diary-Uh! initially premiered in Australia.
  • Cosmo Con and Wanda's Day Off! premiered in the United States.
• January 20 - The final episode of Season 2, Information Stupor Highway premiered in the United States.
• January 27 - Odd Jobs and Movie Magic premiered in the United States.
• February 12 - Love Struck! initially premiered in Canada.
• February 13 - Love Struck! premiered in the United States.
• February 21 - Baby Face and Mr. Right initially premiered in Australia.
• March 7 - Vicky Loses Her Icky and Pixies Inc. initially premiered in Australia.
• March 28 - The Odd Couple and Class Clown initially premiered in Australia.
• April 11 - The Big Superhero Wish! initially premiered in Australia.
• April 25 - Power Pals! and Emotion Commotion! initially premiered in Australia.
• May 2 - Most Wanted Wish and This is Your Wish premiered in the United States.
• May 9 - The Crimson Chin meets Mighty Mom and Dyno Dad and Engine Blocked premiered in the United States.
• May 17 - Sleepover and Over and Mother Nature premiered in the United States.
• May 23 - Beddy Bye and The Grass is Greener premiered in the United States.
• May 29 - Kung Timmy and Which Witch is Which? premiered in Mexico.
• June 6 - Fairy Friends & Neighbors and Just the Two of Us! initially premiered in Australia.
• June 27 - The Secret Origin of Denzel Crocker! premiered in the United States.
• July 4 - Who's Your Daddy? and Homewrecker initially premiered in Australia.
• July 15 - Abra-Catastrophe! (DVD and VHS) were released.
• July 25 - New Squid In Town! and Wish Fixers initially premiered in Australia.
• August 1 - MicroPhony and So Totally Spaced Out premiered in the United States.
• September 4 - This marks the 5th anniversary of the premiere of the Fairly Odd Parents! episode.
• September 26 - The Big Scoop! and Pipe Down! premiered in the United States.
• October 10 - Crime Wave and Odd Ball premiered in the United States.
• October 18 - Where's Wanda? and Imaginary Gary premiered in the United States.
• November 3 - The Fairly OddParents: Breakin' Da Rules was released.
• November 4 - Kung Timmy and Which Witch Is Which? premiered in Canada.
• November 7 -
  • Truth Or Cosmoquences and Beach Bummed! initially premiered in Australia.
  • Season 4 began in the Unites States with the premieres of Mind Over Magic and Miss Dimmsdale.
• November 11 - Kung Timmy and Which Witch Is Which? premiered in the United States.
• November 14 - Hard Copy and Parent Hoods premiered in the United States.
• November 21 -
  • Channel Chasers initially premiered in Australia.
  • The final episodes of Season 3, Chip Off The Old Chip and Snow Bound premiered in the United States.
• December 5 - Catman Meets The Crimson Chin and Genie Meanie Minie Mo initially premiered in Australia.