Watch anime online, stream anime episodes for free, you are watching One Piece – Episode 131 English version online and free episodes. Anime Episode guide, Chapter One Piece – Episode 131 English Subbed The First Patient! The Untold Story of the Rumble Ball! The Straw Hats land on an uninhabited island; Sanji immediately notices that it is covered with fruit-bearing trees. The crew decides to divide the work by drawing straws. Luffy, Zoro, and Usopp are sent to gather the fruit while Nami and Sanji survey the island. Chopper is left to guard the ship. He enjoys himself but suddenly realizes that Robin is nearby and flees into the cabin.