The story follows Sunset Shimmer, who (using her powers) finds out that her friends' memories of her have been mysteriously erased, resulting in them getting amnesia. Determined to set things straight, she'll need Princess Twilight's help from Equestria in order to find out the source of what caused her friends' memory loss.
as Sunset Shimmer / Twilight Sparkle (singing voice)
as Applejack / Rainbow Dash / Nurse Redheart (voice)
as Pinkie Pie / Fluttershy (voice)
as Rarity / Princess Luna / Vice Principal Luna (voice)
as Twilight Sparkle / Princess Twilight Sparkle (voice)
as Trixie Lulamoon (voice)
as Spike (voice)
as Princess Celestia (voice)
as Wallflower Blush / Pinkie Pie (singing voice)
as Micro Chips (voice)
as Maud Pie (voice)
as Rarity (singing voice)
