It's time to use their new skills to help the people of Rainbow World find their inner sparkle! Sunny and Skyler are teaming up to help Kira, who just moved to a new town and is getting ready for her first day of school. But she can't decide what to wear, because she's worried about what everyone will think of her. Luckily, new Shimmers Sunny and Skyler are here to remind her to be herself and find an outfit that lets her true colors shine!