Phineas And Ferb: Season 3, Episode 25

3 - 25:

Craziness has ensued in Danville and no one has any idea what's going on. The wackiness unfolds when Phineas and Ferb create Cheese-topia, Doofenshmirtz makes Perry his butler with his Butler-inator, and Carl is trapped by Doof's while in a squirrel costume.