Episode 505 - Next Stop! The Straw Hat Crew Ventures to the Grand Line

Episode 505
The Next Destination! The Straw Hat Pirates Head to the Grand Line
Japanese: 次なる目的地！麦わらの一味、グランドラインへ
Tsunaru Mokutekichi! Mugiwara no Ichimi, Gurando Rain e

Luffy and the crew decide to trust the mysterious figure, who leads them to a hidden underground city. There, they uncover a dark secret about the treasure they’ve been seeking, and the island’s inhabitants reveal their true intentions. The Straw Hat Pirates must fight to escape and protect their new allies from the dangerous forces lurking beneath the city.