One Piece Episode 637
Episode 637 adapts chapters 707–708.
Rivalry of Warriors! B Block on Fire! · Dressrosa arc
Anime
- Episode 637Rivalry of Warriors! B Block on Fire!
Manga chapters
One Pace
- Bellamy's Changed Motivations and B Block's Start!Covers chapters 706–707
- B Block on Fire! Outlandish Competitors and King Punch!Covers chapters 708–709
The details
Episode 637 adapts chapters 707–708. 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.