Episode 612 - Luffy’s Challenge! The Ultimate Battle for the Sea

Episode 612
Luffy’s Challenge! The Ultimate Battle for the Sea
Japanese: ルフィの挑戦！海のための究極の戦い
Rufi no Chōsen! Umi no Tame no Kyūkyoku no Tatakai

Luffy and the crew battle the new pirate crew, which turns out to be led by an old rival. As the fight intensifies, the Straw Hats uncover a shocking revelation about the true nature of the treasure. They also learn that the World Government is closer than ever to obtaining the information, and they must act fast to prevent it from falling into the wrong hands.