It originally aired on July 19, 2015. If you are streaming on Crunchyroll, Funimation, or Netflix (in regions with Dressrosa), this is the episode you want to queue up. To set the scene: Doflamingo has pushed Luffy to his absolute limit. After using Gear Second and Gear Third extensively—and even needing a 15-minute break where the citizens of Dressrosa had to protect him—Luffy realizes his standard techniques won't cut it against the Warlord's overwhelming power.
Keywords: One Piece, Luffy Gear Fourth, Episode 726, Gear 4 first appearance, Dressrosa Arc, Luffy vs Doflamingo, Boundman. one piece luffy gear 4 first appearance episode
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