Watch anime online, streaming anime episodes you are watching One Piece Episode 340 English subbed online for free. Anime guide, One Piece Episode 340 English sub The Man Called a Genius! Hogback Appears! 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.