Masks and Riddles is the twenty-first episode of Ninpuu Sentai Hurricaneger. It is the beginning of a two-part story which introduces Sixth Spear, Satarakura and his Mask Corps Chuunin ninja; as well as a new move by Third Spear, Manmaruba which will ultimately affect Ikkou Kasumi during this phase of the series. It also introduces a new faction that will come into play with the next phase of the series, introducing the name of one key ally while introducing to the audience this season's 6th.