Episode 637: Rivalry of Warriors! B Block on Fire!
One Piece Episode 637 „Rivalry of Warriors! B Block on Fire!“. Adapts chapters 707–708. First aired: 2014-03-23.
- Read on in the manga from: Chapter 709 (Volume 71 – Colosseum of Scoundrels)
- Title (Japanese): 群雄割拠! 白熱のBブロック!
- Title (romaji): Gun'yū-kakkyo! Hakunetsu no Bī Burokku!
- First aired (Japanese): 2014-03-23
- First aired (German): 2019-06-12
- Category: Story
- Arc: Dressrosa Arc
- Chapters adapted: Chapters 707, pages 9-15; Chapters 708