Episode 376 - The Climactic Struggle for the Ocean! Luffy's Supreme Challenge

Episode 376
The Final Battle for the Sea! Luffy’s Ultimate Test
Japanese: 海のための最後の戦い！ルフィの究極の試練
Umi no Tame no Saigo no Tatakai! Rufi no Kyūkyoku no Shiren

The Straw Hat Pirates and their rival crew join forces to defeat the marine forces closing in on them. The battle is fierce, and both sides must work together despite their differences. This episode highlights the importance of camaraderie and the ability to put aside personal rivalries when necessary.