An old invention causes the Phineas, Ferb, Isabella, and the rest of the gang to cross paths with Doofenshmirtz again, with lasting consequences. Battles will be fought, Inators created, loyalties tested, and feelings discovered as the never-ending feud between Doof and Perry continues, but this time, the stakes are much higher. Please review! Rated T for mild violence.
Rated: T - English - Adventure/Romance - Chapters: 22 - Words: 26,766 - Reviews: 93 - Favs: 21 - Follows: 23 - Updated: 12/24/2012 - Published: 11/24/2012 - Isabella, Phineas - Complete