One Piece Episode 840
Episode 840 adapts chapters 869–870.
Cutting the Father-Son Relationship! Sanji and Judge! · Whole Cake Island arc
Anime
- Episode 840Cutting the Father-Son Relationship! Sanji and Judge!
Manga chapters
One Pace
- Under SiegeCovers chapters 869–870
- You Can Do It, Caesar!!Covers chapters 870–872
The details
Episode 840 adapts chapters 869–870. 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.