One Piece: Stampede — Episode 1

Monkey D. Luffy and the Straw Hats arrive aboard the Sunny to the Pirates Festival, the world's largest celebration created by and for pirates. Buena Festa, the festival organizer, invites the Straw Hats and all Worst Generation crews to partake in the festivities. Luring even Shichibukai and Marines to its shores, it seems that