Hoping to translate Perry's speech, Phineas and Ferb build an animal translator which doesn't work on Perry the Platypus, who, as Agent P, just saved the town of Danville from a flood.
General Note
"Based on the series created by Dan Povenmire & Jeff 'Swampy' Marsh"--T.p.
At head of title: Disney Phineas and Ferb.
"From the hit Disney TV series"--Cover.