Sesame Street Stays Up Late/Phineas and Ferb Summer Belongs to You

Cast

 * Big Bird as Phineas Flynn
 * Elmo as Ferb Fletcher
 * Rosita as Candace Flynn
 * Wolfgang the Seal as Perry the Platypus
 * Oscar the Grouch as Dr. Doofenshmirtz
 * Zoe as Isabella Garcia-Shapiro
 * Kippi Ben Kippod as Baljeet
 * Uncle Hank as Buford van Stomm
 * Telly Monster as Jeremy Johnson