Watch full episodes of Phineas and Ferb online. Get behind-the-scenes and extras all on Disney Channel.

Watch full episode of Phineas and Ferb season 5 episode 12, "The Bad Old Days / Mantis Fact!"

Watch full episode of Phineas and Ferb season 5 episode 11, "Attack Of the Candace Suit / Book Flub"

Watch full episode of Phineas and Ferb season 5 episode 1, "Summer Block Buster / Cloudy With a Chance of Mom"

Watch full episode of Phineas and Ferb season 5 episode 13, "The Nightmare-Inator / Doof in Retrograde"

Watch full episode of Phineas and Ferb season 5 episode 18, "Entrance Exam / Dungeons & Dating"

Watch full episode of Phineas and Ferb season 5 episode 10, "No Slumber Party / The Ballad of Bubba Doof"

Watch full episode of Phineas and Ferb season 5 episode 3, "Dry Another Day / Deconstructing Doof"

Watch full episode of Phineas and Ferb season 3 episode 14, "That's the Spirit! / The Curse of Candace"

Watch full episodes of Theme Song Takeover online. Get behind-the-scenes and extras all on Disney Channel.