A Royal Problem

Starlight Glimmer and Knockout are sent by the Cutie Map to solve a friendship problem between Princess Celestia and Princess Luna, which they attempts to do by impulsively switching their cutie marks.

Featured characters

 * 1) Twilight Sparkle (1)
 * 2) Spike (2)
 * 3) Starlight Glimmer (3)
 * 4) Knockout (4)
 * 5) Princess Celestia (5)
 * 6) Princess Luna (6)
 * 7) Alpha Trion (7)
 * 8) Cliffjumper (8)
 * 9) Sunset Shimmer (9)
 * 10) Breakdown (10)
 * 11) Mordecai (11)
 * 12) Rigby (12)
 * 13) Mayor of Baltimare (13)
 * 14) Mayor of Fillydelphia (14)
 * 15) Nightmare Moon (15)
 * 16) Daybreaker (16)
 * 17) Makeshift (16)
 * 18) Shadow (18)
 * 19) Indian Summer / Dream Pony (19)

Voice Actors

 * Vincent Tong - Cliffjumper and Breakdown
 * Cheryl Chase - Dream Pony / Indian Summer
 * Danny DeVito - Mayor of Fillydelphia
 * Daran Norris - Knockout
 * George Takei - Alpha Trion
 * Gina Torres - Nightmare Moon
 * JG Quintel - Mordecai
 * Kari Wahlgren - Starlight Glimmer
 * Kirk Thornton - Shadow
 * Kevin Michael Richardson - Makeshift
 * Nicki Minaj - Princess Luna
 * Nicole Oliver - Princess Celestia
 * Rebecca Shoichet - Sunset Shimmer
 * Tara Strong - Twilight Sparkle
 * Tom Kenny - Spike
 * Vic Mignogna - Mayor of Baltimare
 * William Salyers - Rigby
 * Yvette Nicole Brown - Daybreaker