One Piece Episode 131
Episode 131 is filler — it adapts no manga chapter.
The First Patient! Anecdote of the Rumble Ball · Alabasta arc
This is a filler episode. It is anime-original and adapts no part of the manga, so you can skip it without missing story.
Anime
- Episode 131The First Patient! Anecdote of the Rumble Ball
Manga chapters
None — this episode is filler.
One Pace
No One Pace episode covers this material.
The details
Episode 131 is filler — it adapts no manga chapter. Filler exists to stop the anime overtaking the manga. It is not written by Eiichiro Oda and is not part of the canonical story.