

Timmy Turner is excited to gift his cousin Vivian with his Fairy Godparents on her first day living in Dimmsdale. However, when her new stepbrother Roy accidentally witnesses the transfer, Viv and Roy are forced to share Cosmo and Wanda.
Roy and Viv turn the people of Earth into mindless dancers after wishing to write the catchiest song of all time as a way to save their parents' dance studio.