One Piece Episode 688 English Dubbed Episode Title:A Desperate Situation - Luffy Gets Caught in a Trap!Episode Description:At the palace hills, Luffy is still riding Ucy towards the palace but was dejected to see that the rest of the colosseum fighters are ahead of him in the race to fight Doflamingo. After a little help from the Funk brothers pointing out a short cut, Luffy and Ucy enter a tunnel. While inside, Law warns Luffy that facing Donquixote Doflamingo while he is still handcuffed will be suicide. A call from Robin solves that issue as she is sending Leo, Rebecca and Bartolomeo to deliver the cuff keys to them.