Phineas and Ferb: The Beginning

Phineas and Ferb: The Beginning is a one-hour special that shows the beginnings of: Phineas and Ferb's first meeting with each other and their talent in building something, Perry's secret agent job, Candace's love with Jeremy, Isabella's love with Phineas, etc.

Cast

 * Vincent Martella as Phineas Flynn


 * Thomas Sangster as Ferb Fletcher


 * Ashley Tisdale as Candace Flynn


 * Dee Bradley Baker as Perry the Platypus


 * Dan Povenmire as Dr. Doofenshmirtz


 * Jeff "Swampy" Marsh as Major Monogram and The Narrator


 * Alyson Stoner as Isabella Garcia-Shapiro and Jenny Brown


 * Caroline Rhea as Linda Flynn-Fletcher


 * Richard O'Brien as Lawrence Fletcher


 * Maulik Pancholy as Baljeet


 * Bobby Gaylor as Buford Van Stomm


 * Mitchel Musso as Jeremy Johnson


 * Kelly Hu as Stacy Hirano


 * Tyler Alexander Mann as Carl


 * Olivia Olson as Vanessa Doofenshmirtz