One Piece Episode 524
Episode 524 adapts chapters 604–605.
Undersea Struggle, The Demon of the Deep Appears! · Fishman Island arc
Anime
- Episode 524Undersea Struggle, The Demon of the Deep Appears!
Manga chapters
One Pace
- Into the Depths! The Kraken and the Caribou PiratesCovers chapters 603–604
- Adventure in the Ocean Depths! 10 Kilometers Below the Surface!Covers chapters 605–606
The details
Episode 524 adapts chapters 604–605. 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.