One Piece - Season 16 Episode 657 The Most Violent Fighter! Logan vs. Rebecca!
Bartolomeo searches the Colosseum for Luffy but stumbles upon the medical center for the losers of the battles in the ring - but is everything at this center as it seems? Meanwhile, Rebecca has to fend off Rolling Logan's vicious bone-crushing grip attack or meet her certain doom!
- 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