My Little Pony: Friendship Is Magic Season 4 Episode 19 For Whom the Sweetie Belle Toils Episode Title:For Whom the Sweetie Belle Toils.Episode Description:Sweetie Belle asks Rarity to help with her costumes for a stage play she put together herself. After the play, Sweetie Belle finds that Rarity's dresses garnered more praise than the play itself, and accuses Rarity of upstaging her on purpose. The night before Rarity is to deliver outfits to singer Sapphire Shores in Canterlot, Sweetie Belle spitefully sabotages one of the pieces. Later that night, Sweetie Belle is visited in her dreams by Princess Luna, who uses visions of the past, present, and future to show Rarity's pure intentions to Sweetie Belle, and the horrific downward spiral she will undergo if Sweetie Belle's sabotage goes unchecked. Awakening to find Rarity has left for Canterlot, Sweetie Belle rushes after her with Apple Bloom and Scootaloo, and manages to repair the outfit with Luna's help before Rarity can present it. Sapphire is pleased with the dresses, and Sweetie Belle reconciles with Rarity.