My Little Pony: Friendship is Magic/Number of the Day 20 (from Sesame Street)

Cast

 * Twilight Sparkle as Count von Count
 * Pinkie Pie, Applejack, Rainbow Dash, Rarity, Fluttershy, Spike, Apple Bloom, Scootaloo, Sweetie Belle, Princess Celestia, Princess Luna, Granny Smith, Big McIntosh, Cheerilee, Diamond Tiara, Silver Spoon, Shining Armor, Princess Cadence, Trixie and Babs Seed as Pipe Organ