Episode 55 - The Great Battle on the Slope! Arlong's Last Stand

Episode 55
The Great Battle on the Slope! Arlong's Last Stand
Japanese: 坂道の大戦闘！アーロンの最後の戦い！
Sakamichi no Daisentō! Āron no Saigo no Tatakai!

A major showdown occurs as Luffy faces off against a powerful pirate captain who controls a dangerous army of creatures. The episode focuses on Luffy’s growing strength and his ability to adapt to new enemies. His determination to protect his crew is showcased as they confront the pirate leader.