Watch anime online, stream anime episodes for free, you are watching One Piece – Episode 138 English version online and free episodes. Anime Episode guide, Chapter One Piece – Episode 138 English Subbed Whereabouts of the Island Treasure! Attack of the Zenny Pirates! The commotion caused by Zenny’s arrival allows Nami, Sanji, Usopp, and Chopper to board their ship safely. Zenny and his goats get on the navy ship and Zenny uses of his martial arts skills, with a counting frame to fight. Luffy attempts to slingshot himself over to help him, but lands in the water instead.