You are going to Watch One Piece Episode 340 English dubbed online free episodes with HQ / high quality. Stream Anime One Piece Episode 340 Online English dub The Man Called a Genius! Hogback Makes His Appearance! Usopp, Nami and Chopper traverse through the forest of Thriller Bark, where they are attacked by a platoon of zombies before finally reaching the mansion of the bizarre surgeon Doctor Hogback and his female assistant Victoria Cindry. While immediately hospitable, the doctor starts acting strange after it is mentioned that Brook has arrived on the island. The Thousand Sunny, meanwhile, gets caught in a giant spiderweb.