One Piece The Movie: Episode of Arabasta - The Desert Princess and the Pirates (2007)
In a retelling of the Arabasta Episodes. The Straw Hat Pirates are helping Vivi save her kingdom from being destroyed by a set up war. Which all began when the first drought occurred 3 years ago. All thanks to the secret organization call Baroque Works. Lead by Mr. 0 who's identity was unknown until Vivi revealed it to the StrawHat Pirates. And they all agreed to eliminate this criminal group in order to restore peace to the desert kingdom. But it's going to be a rough battle against Mr. 0, the Officer Agents, Millions Agents, and Billions Agents.