Doof Dynasty

Today, Phineas and Ferb are in another world again: A world in which Princess Isabella is kidnapped. Phineas and Ferb must rescue her from the evil Doofus Khan.

Episode Summary
China, 1542. Phineas, Ferb, Baljeet and Buford are attending a chinese festival parade where Regent Monogram and Princess Isabella are part of the procession. Isabella is captured by Doof Khan's soldiers during the parade. Regent Monogram cries out that someone needs to find Master Perry in order to save Princess Isabella and defeat Doof Khan. Phineas, hearing Regent Monogram's plea, tells Ferb: "I know what we're going to do today." Master Perry is located on the 'Unclimbable Mountain of Unclimbableness'. Buford points out that first they have to cross the 'Uncrossable River of Uncrossableness'. They eventually find Master Perry who teaches them 'the way of the playtypus' (song) and they go off to save Princess Isabella.

Songs
"The Way of the Platypus"

Perry's entrance to his lair
None.

Background Information

 * This episode was first revealed as an "unnamed ancient Chinese episode" on page 10 of the Across the 2nd Dimension Official Movie Magazine in an interview with Dan and Swampy. The title was confirmed as "Doof Dynasty" in the Disney XD TV schedule in Germany on September 17th, 2011.

Continuity

 * Third episode having the word Doof in its title ("Hail Doofania!","The Doof Side of the Moon"),
 * Doofenshmirtz is evil against Phineas and Ferb again ("Wizard of Odd"; "Phineas and Ferb The Movie: Across the 2nd Dimension").
 * Phineas and Ferb will (possibly) meet alternate versions of other characters again ("Phineas and Ferb The Movie: Across the 2nd Dimension").

Allusions

 * Doofenshmirtz's alternate name "Doofus Khan" and his character could be an allusion at the most successful Mongolian ruler Genghis Khan.

Cast

 * Vincent Martella as Phineas
 * Ashley Tisdale as Candace
 * Thomas Sangster as Ferb
 * Alyson Stoner as Isabella
 * Caroline Rhea as Mom
 * Mitchel Musso as Jeremy
 * Dan Povenmire as Dr. Doofenshmirtz
 * Jeff "Swampy" Marsh as Major Monogram
 * Richard O'Brien as Dad
 * Dee Bradley Baker as Perry