Doof Dynasty

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

Perry's entrance to his lair
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Background Information

 * This episode was first mentioned on the German schedule for Disney XD on September 17th, 2011.

Continuity

 * Second episode having the word Doof on it's title ("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 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 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