One Piece Episode 63
Episode 63 adapts chapters 104–105.
A Man's Promise! Luffy and the Whale Vow to Meet Again · Reverse Mountain arc
Anime
- Episode 63A Man's Promise! Luffy and the Whale Vow to Meet Again
Manga chapters
One Pace
- The Trials of Koby-MeppoCovers chapters 83–119
- Cape PromiseCovers chapters 103–105
The details
Episode 63 adapts chapters 104–105. 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.