Sesame Street Stays Up Late/Scooby-Doo

Cast

 * Snuffy as Scooby-Doo
 * Big Bird as Shaggy
 * Telly Monster as Fred
 * Rosita as Daphne
 * Zoe as Velma
 * Elmo as Scrappy-Doo
 * Uncle Hank as Ghost
 * Oscar the Grouch as Villain
 * and more