Phineas and Ferb/Number of the Day 20 (from Sesame Street)

Cast

 * Phineas Flynn as Count von Count
 * Ferb Fletcher, Candace Flynn, Perry the Platypus, Isabella Garcia-Shapiro, Jeremy Johnson, Baljeet Tjinder, Buford Van Stomm, Stacy Hirano, Jenny Brown, Suzy Johnson, Dr. Doofenshmirtz, Major Monogram, Carl Karl, Vanessa Doofenshmirtz, Linda Flynn-Fletcher, Lawrence Fletcher, Norm, Gretchen, Princess Baldegunde and Ginger Hirano as Pipe Organ