After Doofenshmirtz is defeated, a new threat in the 2nd Dimension emerges, leaving it up to Phineas, Ferb, Candace and her resistance fighters to defeat this new foe.
Casts:
Vincent Martella, Thomas Brodie-Sangster, Ashley Tisdale, Dan Povenmire, Dee Bradley Baker, Alyson Stoner, Bobby Gaylor, Maulik Pancholy, Caroline Rhea, Richard O'Brien, Kelly Hu, Mitchel Musso, Jeff 'Swampy' Marsh, Tyler Alexander Mann