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.
Rebecca Shoichet
as Sunset Shimmer / Twilight Sparkle (singing voice)
Ashleigh Ball
as Applejack / Rainbow Dash / Nurse Redheart (voice)
Andrea Libman
as Pinkie Pie / Fluttershy (voice)
Tabitha St. Germain
as Rarity / Princess Luna / Vice Principal Luna (voice)
Tara Strong
as Twilight Sparkle / Princess Twilight Sparkle (voice)
Kathleen Barr
as Trixie Lulamoon (voice)
Cathy Weseluck
as Spike (voice)
Nicole Oliver
as Princess Celestia (voice)
Shannon Chan-Kent
as Wallflower Blush / Pinkie Pie (singing voice)
James Kirk
as Micro Chips (voice)
Ingrid Nilson
as Maud Pie (voice)
Kazumi Evans
as Rarity (singing voice)
