Phineas and Ferb

Season 4, Episode 45

Episode Title: Tales from the Resistance: Back to the 2nd Dimension

Air Date: 2014-11-25

Overview:

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.