Episode 724: Impossible to Attack - Trebol's Shocking Secret
One Piece Episode 724 „Impossible to Attack - Trebol's Shocking Secret“. Adapts chapters 782–783. First aired: 2015-12-27.
- Read on in the manga from: Chapter 784 (Volume 78 – The Charisma of Evil)
- Title (Japanese): 攻撃不能 トレーボル衝撃の秘密
- Title (romaji): Kōgeki Funō - Torēboru Shōgeki no Himitsu
- First aired (Japanese): 2015-12-27
- First aired (German): 2019-12-06
- Category: Story
- Arc: Dressrosa Arc
- Chapters adapted: Chapters 782, pages 2-6; Chapters 783, pages 10-19