Season 4 Episode: Princess Twilight Sparkle Part 2 Watch in 720p --- Facebook: Twitter: .\rbr\rbrTwilight witnesses the original defeat of Discord by the Royal Sisters. MLP: FiM S4E2 Princess Twilight Part 2 (c) Hasbro.\rbr\rbrPrincess Luna And Princess Celestia Defeating Discord: ----- Cuarta Temporada Episodio: La Princesa .\rbr\rbrSeason 4 Episode: Princess Twilight Sparkle Watch in 720p --- Facebook: Twitter: .