Episode 960 | One Piece Wiki | Fandom.

What episodes are the Oden flashback?

Episode 961 of the series took the first real steps into its major Oden flashback as it showed off the kind of power Oden had at his disposal.

How long is Oden's backstory?

For 5 years of his life, Oden set out to sea and became a pirate, serving as the 2nd division commander of the Whitebeard Pirates and later becoming a member of the Roger Pirates.