One Piece Episode 589 English Subbed Episode Title:The Worst in the World! A Scientist of Terror - Caesar!.Episode Description:The G-5 marines discuss that Caesar Clown is probably behind the Island and that the child abduction case in that area could be true. Caesar is dealing with a patient that he says needs to be healed but he sends him to the gas chambers. Brownbeard is tied up and tells Luffy and his crew about the worst generation of the rookies and that Caesar and Law saved him and his men from dying from the poisonous gas and was given the ability to walk again. Smoker tells his men that Caesar was behind the failed experiment and not Vegapunk. Caesar kills his patient with poisonous gas and plans on being the best scientist the world has ever known to surpass Vegapunk himself.