One Piece episode 690

It aired on Sunday, 26 April 2015.

A United Front! Luffy's Breakthrough to Victory

The Tontattas locate their captive comrades and seem to be able to get the message to them, the prison break is on! Meanwhile, heavy-hitters from the Colosseum turn from wringing each other's necks towards a unified plan, which might just be enough to get Luffy the chance to make it to a final showdown with Doflamingo!