The Island of Dr. Doofenshmirtz

Heinz Doofenshmirtz tests his "Animal-Inator" and turns everyone in Danville (with the exception of Perry) into animals, meanwhile Phineas, Ferb, Isabella, Buford and Baljeet try to solve it trying to find a gem lost in Danville, Candace goes for searching his parents who are out of the city but she finds all the characters of the show that stops her.

Cast

 * Vincent Martella as Phineas (a dog)
 * Thomas Sangster as Ferb (a British dog)
 * Ashley Tishdale as Candace (a Squirrel)
 * Dan Povenmire as Dr. Doofenshmirtz (a Praying Mantis)
 * Jeff Marsh as Monogram (a Panda Bear)
 * Tyler Mann as Carl (a Lemur)
 * Olivia Olson as Vanessa (a Black Panther)
 * Mitchel Musso as Jeremy (a Monkey)
 * Kelly Hu as Stacy (a cat)
 * Maulik Pancholi as Baljeet (a Langur)
 * Bobby Gaylor as Buford (a bull)
 * Allyson Stonner as Isabella (a horse)