Episode 222 - Luffy’s Resolve! The Battle Against the Pirate King’s Forces

Episode 222
Luffy’s Resolve! The Battle Against the Pirate King’s Forces
Japanese: ルフィの決意！海賊王の軍団との戦い
Rufi no Ketsui! Kaizoku-Ō no Gundan to no Tatakai

After resolving the conflict between the two factions, the crew uncovers a hidden treasure that was buried on the island. However, their celebration is short-lived, as they are ambushed by a group of treasure hunters who are after the same prize. The episode sees the Straw Hats protecting their newfound allies from these ruthless foes.