One Piece Episode 91
Episode 91 adapts chapters 142, 154, 155.
Farewell, Drum Island! I'm Going Out to Sea! · Drum Island arc
Anime
- Episode 91Farewell, Drum Island! I'm Going Out to Sea!
Manga chapters
One Pace
- Quack DoctorCovers chapters 140–145
- Hiriluk's Cherry BlossomsCovers chapters 153–156
- Alabasta 01Covers chapters 155–157
The details
Episode 91 adapts chapters 142, 154, 155. 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.