Episode 155 - The Epic Breakout! Luffy and the Gang's Victory

Episode 155
The Great Escape! Luffy and the Crew’s Triumph
Japanese: 大脱出！ルフィと仲間たちの勝利
Dai Dasshutsu! Rufi to Nakama-tachi no Shōri

The crew uncovers a clue that points to the location of a mythical island said to hold the key to understanding the ancient civilization of the Grand Line. To find it, the crew must follow a complicated set of maps and face off against increasingly dangerous foes who are also after the island’s secrets.