One Piece Episode 866
Episode 866 adapts chapters 891–892.
Finally He Returns - Sanji, the Man Who'll Stop the Emperor · Whole Cake Island arc
Anime
- Episode 866Finally He Returns - Sanji, the Man Who'll Stop the Emperor
Manga chapters
One Pace
- Unknown MamaCovers chapters 889–891
- They Believe in MeCovers chapters 891–893
- Pirate Luffy vs. Commander KatakuriCovers chapters 892–895
The details
Episode 866 adapts chapters 891–892. Adapting several chapters into one episode is why the anime slowly gains on the manga in raw numbers even while falling further behind in story.