My Little Pony Friendship Is Magic - Season 6

Twilight Sparkle and her friends are invited to the Crystal Empire to attend the Crystalling, a magical ceremony honoring the birth of Princess Cadance and Shining Armor’s foal. Twilight brings her new pupil Starlight Glimmer to the empire to reconnect with Sunburst, her estranged childhood friend, as part of her first friendship lesson. Starlight, however, is anxious to keep Sunburst from learning of her past villainy and tries to avoid the reunion.