Elmo's Christmas Countdown/Phineas and Ferb

Cast

 * Elmo as Phineas Flynn
 * Stan the Snowball as Ferb Fletcher
 * Prairie Dawn as Candace Flynn
 * Snuffy as Perry the Platypus
 * Oscar the Grouch as Dr. Doofenshmirtz
 * Abby Cadabby as Isabella Garcia-Shapiro
 * Stiller the Elf as Baljeet
 * Cookie Monster as Buford van Stomm
 * Count von Count as Jeremy Johnson