Episode 37

"Luffy Stands Up! End of a Broken Promise!" is the thirty-seventh episode of One Piece.

Summary
When a marine officer under Arlong's pay confiscates all the money Nami stole over the years, in order to one day buy the village from Arlong, the villagers decide that enough is enough and fight back, despite Nami's pleads that they don't and that they'd all be killed. Upon seeing Nami's sorrow, the Straw Hats head for Arlong Park.