One Piece - Season 15 Episode 591 Chopper's Fury! The Master's Inhumane Experiment!
The giant children fly into a mysterious rage, and Chopper discovers the true reason for their unusual condition! Meanwhile, Zoro, Brook, and Sanji cross paths with a dangerous duo!
- Genre: Action & Adventure, Comedy, Animation
- Studio: Fuji TV
- Keyword: ocean, sea, boat, treasure, fight, liberation, ship, friendship, friends, pirate, based on manga, straw hat, shounen, anime, fantasy, one piece, adventure, celebratory
- Cast: Mayumi Tanaka, Kazuya Nakai, Akemi Okamura, Kappei Yamaguchi, Hiroaki Hirata, Ikue Otani