"Confrontation! The Ninja Murasaki" (対決！ 忍者ムラサキ Taiketsu! Ninja Murasaki) is the fourteenth chapter of Dragon Ball SD.
Goku storms Muscle Tower, making short work of the petty officers and Major Metallitron. However, Ninja Murasaki, ninja extraordinaire, just might have enough tricks up his sleeve to throw Goku for a loop.