Sith Ferb vs. Phineas | Phineas and Ferb | Disney XD

“You were my brother Ferb!“ Phineas experiences the ultimate betrayal! Watch Phineas and Ferb on Disney XD and in the DisneyNOW app! Phineas and Ferb invent, scheme, and stay one step ahead of their sister Candace who just wants to catch them up to no good! Their pet platypus Perry lives a double life as a secret agent whose sole mission is to foil Dr. Doofenshmirtz’s plans. #phineasandferb #disneyxd