Phineas and Ferb help their father unearth a missing piece of Danville history when they run into his lifelong nemesis, Worthington, at a flea market. Meanwhile, Dr. Doofenshmirtz makes himself younger to win a children's film festival.
Alyson Stoner, Ashley Tisdale, Caroline Rhea, Dee Bradley Baker, Kelly Hu, Maulik Pancholy, Mitchel Musso, Richard O'Brien, Thomas Sangster, Vincent Martella
Animation, Comedy, Family