The television movie is set in the city of Dimmsdale and centers on the series' main protagonist Timmy Turner with his fairy godparents Cosmo and Wanda and his fairy godbrother Poof. In the movie, Timmy is now 23 years old but is still in fifth grade with his fairy-obsessed fifth grade teacher Mr. Crocker. Despite being grown up, Timmy finds a loophole in the fairy rulebook Da Rules: if he continues to act like a kid, he will still get to keep his fairies. However, the dilemma rises when Tootie, who was once a dorky girl when she was 10 years old, returns to Dimmsdale as an attractive woman. Timmy falls in love with her, a sign that he is growing up to an adult, which means he is closer to losing his fairies. Meanwhile, an oil business tycoon named Hugh J. Magnate, Jr., who teams up with Mr. Crocker, plans to use Timmy's fairies' magic in order to promote his oil business.
Rosetta and new arrival Chloe band together to try to break the garden fairies' legendary losing streak in the Pixie Hollow Games, a sports spectacle filled with pixie pageantry, fantastic fairy events and hilarious surprises.
There is a new criminal mastermind at large (Professor Moriarty) and not only is he Holmes’ intellectual equal, but his capacity for evil and lack of conscience may give him an advantage over the detective.
With his wife Elizabeth on life support after a boating accident, Hawaiian land baron, Matt King takes his daughters on a trip from Oahu to Kauai to confront the young real estate broker, who was having an affair with Elizabeth before her misfortune.
Tired of the noise and madness of New York and the crushing conventions of late Eisenhower-era America, itinerant journalist Paul Kemp travels to the pristine island of Puerto Rico to write for a local San Juan newspaper run by the downtrodden editor Lotterman.
The story is loosely based on a 17th century erotic Chinese story named The Carnal Prayer Mat and follows a young scholar named Yangsheng who gets married to the beautiful daughter of a local merchant.
Have you watched A Fairly Odd Movie: Grow Up, Timmy Turner! yet? What did you think about it?