Episode 408 - The Fight for the Ultimate Prize! Luffy's Final Voyage to the Epic Sea

Episode 408
The Battle for the One Piece! Luffy’s Last Journey to the Grand Line
Japanese: ワンピースをかけた戦い！ルフィの最後の航海
Wan Pīsu o Kaketa Tatakai! Rufi no Saigo no Kōkai

As the crew sails away, they encounter a powerful enemy pirate crew known as the “Shadow Pirates.” This new crew is infamous for their ruthless tactics and their desire to control the Grand Line. The episode introduces the Shadow Pirates as a major threat to the Straw Hat Pirates, and the stage is set for a fierce battle.