Episode 524: Undersea Struggle, The Demon of the Deep Appears!
One Piece Episode 524 „Undersea Struggle, The Demon of the Deep Appears!“. Adapts chapters 604–605. First aired: 2011-11-20.
- Read on in the manga from: Chapter 606 (Volume 62 – Adventure on Fish-Man Island)
- Title (Japanese): 海中の死闘 現れた大海原の悪魔
- Title (romaji): Kaichū no Shitō Arawareta Oounabara no Akuma
- First aired (Japanese): 2011-11-20
- First aired (German): 2017-07-18
- Category: Story
- Arc: Fish-Man Island Arc
- Chapters adapted: Chapters 604, pages 6-19; Chapters 605, pages 2-11