Episode 178 - The Grand Line! The Treasure of the Pirate King

Episode 178
The Grand Line! The Treasure of the Pirate King
Japanese: グランドライン！海賊王の財宝
Gurando Rain! Kaizoku-Ō no Zaihō

The Straw Hat Pirates engage in a battle with the mercenaries who have invaded the island. As the fight intensifies, the crew learns more about the mercenaries’ true motives and the connection to the island’s ancient past. The episode focuses on teamwork and strategy, as the Straw Hats fight to defend those who have dedicated their lives to studying history.