The series follows the adventures of Timmy Turner, a 10-year-old boy with two fairy godparents named Cosmo and Wanda who grant him wishes to solve his everyday problems.
After being tortured and humiliated by his babysitter, a ten year old boy is put under the care of two fairy godparents, who can grant him almost any wish, which leads to dire consequences.
Timmy wishes for a magic remote control that will allow him to travel through the television. He soon learns that this remote can manipulate far more than just his TV.
It’s the last day of school, and the kids of Dimmsdale eagerly await the start of those fun-filled months of Summer Vacation. But this summer the grownups of Dimmsdale are worried that their kids are getting too wild, so they call a town meeting to find a solution for their concerns. Enter Flappy Bob, the clown founder of Flappy Bob’s Happy Peppy Learnatorium. Timmy and his friends are enrolled in Flappy Bob’s school, and they immediately see all hope of a fun summer dwindling away. Timmy realizes he must find a way to bring fun back to summer, and it’s all done through the magic of song.
Norm causes Cosmo and Wanda to quit, then Fairy Idol is held to determine their replacement. Timmy now must attempt to make sure Norm cannot win his freedom from being a genie.
Ty Turner uproots his life to reunite with his high school sweetheart, Rachel Raskin, in the town of Dimmsdale, thrusting his cautious 13-year-old daughter, Viv, into a new world where she does not fit in. Once there, Viv’s cousin, Timmy, entrusts his fairy godparents, Wanda and Cosmo, to help her adjust by taking her under their wings. Witnessing the fairy transfer take place, Viv’s charismatic new stepbrother, Roy, also inherits them, and the two siblings must take turns making wishes. Together, they learn to overcome the obstacles in their path, all with the help from their new wand-wielding and wish-granting fairy godparents.
When 10-year-old Hazel Wells tries to run away from home, she finds out her weird neighbours, Cosmo and Wanda, are fairy godparents in disguise.