Episode 457: Special Retrospective Before Marineford - The Siblings' Vow!
One Piece Episode 457 „Special Retrospective Before Marineford - The Siblings' Vow!“. Category: Filler. First aired: 2010-06-27.
- Read on in the manga from: Chapter 561 (Volume 57 – Summit War)
- Title (Japanese): 海軍本部直前回想特別編 兄弟の誓い！
- Title (romaji): Marinfōdo Chokuzen Kaisou Supesharu - Kyōdai no Chikai!
- First aired (Japanese): 2010-06-27
- First aired (German): 2016-01-18
- Category: Filler