The Jerkinators!

The Jerkinators!, also known as the The Jimmy Timmy Power Hour 3, is the thirty-fourth episode of Season 5, and the third and final Fairly OddParents/Jimmy Neutron cross over. It is also the series finale of Jimmy Neutron, and for a while it was intended to be the final episode of The Fairly OddParents as well until Season 6 was ordered for production by Nickelodeon.

Plot
Timmy Turner and Jimmy Neutron become bored with their easily outmatched competition, so they team up and create a villain to fight, but then the villain attacks Dimmsdale and rids all of the fairies of their power and steals Jimmy's intelligence!