One.Piece.E140.Residents.of.the.Land.of.Eternity.the.Pumpkin.Pirates

Luffy, Usopp, Nico, and Zoro get trapped in the Rainbow Mist along with Henzo. The aging scientist is looking for answers, the Straw Hats want treasure, and the ghosts who haunt the mist want them all to leave!Source: crunchyroll