One Piece Episode 437
Episode 437 adapts chapters 535–536.
Because He's My Friend - Bon Kurei's Do-or-Die Rescue · Impel Down arc
Anime
- Episode 437Because He's My Friend - Bon Kurei's Do-or-Die Rescue
Manga chapters
One Pace
- FriendCovers chapters 534–536
The details
Episode 437 adapts chapters 535–536. 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.