One Piece episode 684

It aired on Sunday, 15 March 2015.

Gathering Into a Powerful Front! Luffy and a Group of Brutal Warriors!

With Luffy and the others recovering from Pica'a attack, the game is afoot! Luffy has just enough time to regroup and set out to find Doflamingo, only to find that the dastardly Warlord has more enemies than he might realize! A strange argument breaks out, to decide who gets to take down Doflamingo once and for all!