One Piece Episode 726 English Subbed Episode Title:Fourth Gear! The Phenomenal Bounce-man!.Episode Description:As the Birdcage closes in on Dressrosa, Luffy activates Gear Fourth, which causes his torso to balloon and forces him to constantly bounce. Doflamingo laughs at this new form, but Luffy retracts his fist into his arm and punches him, blowing him into the city far below. Luffy lands more large blows on Doflamingo as the Shichibukai struggles to keep on even footing. However, Luffy is able to change the direction of his punches and absorb Doflamingo's attacks.