Young Luna has plans for her new dreamwalking. She wants to play with her big sister, and she wants to even help Princess Twilight - but Headmaster Spike has other ideas, like friendship.
Who embodies friendship more than Pinkie Pie? She's come such a long, long, way, long before Twilight finished that journey. But when it's time for her to become an alicorn, there's just one wrinkle...