One Piece Episode 242, "The Signal is the Explosion! CP9 Goes into Action," marks a major turning point in the Water 7 arc by revealing a government conspiracy and the CP9 organization. The episode features the raid on Galley-La headquarters, featuring the apparent betrayal by Nico Robin and the assault on Iceburg. For a detailed summary, visit One Piece Wiki . Episode 242 | One Piece Wiki | Fandom