Mayhem reigns supreme in the animated kingdom as whiz kid Jimmy Neutron and Timmy from "The Fairly Oddparents" swap places in each other's worlds.
Debi Derryberry
Jimmy Neutron (voice)
Tara Strong
Timmy Turner (voice)
Megan Cavanagh
Judy Neutron (voice)
Mark DeCarlo
Hugh Neutron (voice)
Rob Paulsen
Carl Wheezer / Announcer (voice)
Jeffrey Garcia
Sheen Estevez (voice)
Carolyn Lawrence
Cindy Vortex (voice)
Crystal Scales
Libby Folfax (voice)
