Category:Xros-Over Series

The Xros-Over Series is a series where Phineas and Ferb along with some of the others go into other worlds, the 1st story served as plot and character development, the 2nd story leads Phineas, Ferb, Isabella, Yuu, Candace and Perry into the Digital World, the 3rd story leads Phineas, Ferb, Isabella, Yuu along with some new kids into a reality called the "DigiQuartz", after that Phineas defends the whole town and after that Phineas, Ferb and some others wind up on Mobius and meet Sonic the Hedgehog and his friends.