Jam Filled Entertainment, DHX Media, Neptoon Studios, Teletoon & Cartoon Network/Sesame Street

Cast

 * Mordecai (from Regular Show) as Big Bird
 * Rigby (from Regular Show) as Elmo
 * Dilweed Chuck (from Numb Chucks) as Bert
 * Fungus Chuck (from Numb Chucks) as Ernie
 * Courage (from Courage the Cowardly Dog) as Telly Monster
 * Lazlo (from Camp Lazlo) as Baby Bear
 * Scooby-Doo (from Be Cool, Scooby-Doo!) as Cookie Monster
 * Blythe Baker (from Littlest Pet Shop) as Rosita
 * Bunny (from Almost Naked Animals) as Prarie Dawn
 * Dee-Dee (from Dexter's Laboratory) as Zoe
 * Discord (from My Little Pony: Friendship is Magic) as Oscar the Grouch