One Piece Episode 501
Episode 501 adapts chapters 586–587.
The Flames Are Lit - The Gray Terminal's Crisis · Post-War arc
Anime
- Episode 501The Flames Are Lit - The Gray Terminal's Crisis
Manga chapters
One Pace
- Oath of BrotherhoodCovers chapters 585–586
- Sabo's SeaCovers chapters 587–588
The details
Episode 501 adapts chapters 586–587. 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.