Phineas and Ferb create their own language, Ferb Latin, which quickly catches on. Unfortunately for Candace, she awakes from a massage puzzled to find everyone else speaking a language she doesn't understand. Meanwhile, Dr. Doofenshmirtz decides to use propaganda as his new "-inator," believing that it will work since people will believe anything they read.
Elenco: 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 , Kari Wahlgren , Olivia Olson , Ariel Winter , John O'Hurley , Jane Carr , Malcolm McDowell , Barry Bostwick , Allison Janney , Madison Pettis .