Episode 457

"Special Retrospective Before Marineford - The Siblings' Vow!" is the 457th episode of the One Piece anime.

Short Summary
Luffy recalls his childhood wih Ace, meeting him again in Alabasta and receiving his Vivre Card, meeting Blackbeard in Jaya without knowing who he was, hearing the news about Ace's execution, and confronting Blackbeard in Impel Down. Ace, awaiting his execution in Marineford, recalls his encounter with Blackbeard.