: The world's most infamous pirates gather for the Pirates Festival , organized by the mysterious Buena Festa. The main attraction is a race to find a lost treasure that once belonged to the Pirate King, Gol D. Roger .
To set the stage for the movie, the One Piece anime aired a two-episode tie-in arc. One Piece Movie 14: Stampede - Episode 1
: The real threat is Douglas Bullet , a legendary former member of Roger’s crew known as the "Demon Heir". He uses his Gasha Gasha no Mi (Union-Union Fruit) to combine inanimate objects into a massive mechanical colossus. : The world's most infamous pirates gather for
You can find the movie and its prequel episodes on major anime platforms: To set the stage for the movie, the
The movie was released in 2019 to celebrate the anime's .
While is a standalone feature film rather than an episodic series, there are specific "prequel" episodes in the main anime and a primary plot for the movie itself that match your interest. Prequel Episodes (The "Carbonic King" Arc)
: The film features massive fan service, bringing together the Straw Hats, the Worst Generation (including Law and Kid), the Marines, and members of the Revolutionary Army like Sabo to take down Bullet. Where to Watch