Episode 23, The Cuite Mark Chronicles, The Cutie Mark Chronicles. It tells the story of the origins of the protagonists’ cutie marks, which are all caused by Rainbow Dash’s sonic rainbow boom. There is also a touching sense of destiny. Rainbow Dash feels the passion and pleasure of speed; Applejack escapes the life of a city princess and is determined to return to the apple orchard to be a cowboy; Twilight Sparkle bursts out her original magic power for the first time; Rarity designs costumes for the first time and wins a big success Success; Rourou landed on the ground and met many small animals; Pinkie began to decide to bring happiness to the lives of people around her. "Dear Princess Universe, I learned something important today. Every pony and his friends, perhaps even before they met, have a special magical connection. If you feel alone and you are still looking for the true Friends, then look up at the sky. Who knows, maybe you and your future best friends are looking at the same rainbow."