Episode 569: Revealed Secret - The Truth of Ancient Weapons
One Piece Episode 569 „Revealed Secret - The Truth of Ancient Weapons“. Adapts chapter 649. First aired: 2012-10-21.
- Read on in the manga from: Chapter 650 (Volume 66 – The Road Toward the Sun)
- Title (Japanese): 明かされた秘密 古代兵器の真実
- Title (romaji): Akasareta Himitsu - Kodai Heiki no Shinjitsu
- First aired (Japanese): 2012-10-21
- First aired (German): 2017-09-18
- Category: Story
- Arc: Fish-Man Island Arc
- Chapter adapted: Chapters 649