One Piece: The Desert Princess and the Pirates: Adventure in Alabasta (2007)

Storyline:
The Straw Hat Pirates are on a quest to save the desert kingdom of Alabasta. A civil war brews among the sands, one started and stirred by the hand of none other than Crocodile and his corrupted Baroque Works gang. The stakes run ever higher as Princess Vivi's homeland threatens to tear itself apart. More than lives are on the line.