Phineas, Ferb, and the gang all get the powers of the X-Men. They must team up with Candace, Stacy, Jeremy, Professor M (Monogram) and The Mechanic (Carl) to stop Tin Can (Doof) and his daughter ChickMagnet (Vanessa) as well as the Buggernaut (Buford). At the End of the Episode the X-Men Villians Are All Defeated and the X-Men Got Thier Powers Back and their leaving Danville.