Rouki, Dies!? (狼鬼、死す!? Rōki, Shisu!?) is the twenty-third episode of Hyakujuu Sentai Gaoranger. It is the conclusion of the battle against Duke Org Rouki, formally introducing "Shirogane", the past Gao Priest key to Rouki as well as two new Power Animals: GaoRhinos and GaoMadillo.