Is One Piece episode 521 filler?
One Piece episode 521 is canon — it adapts the original story.
Episode: 521 — The Battle is on! Show Them What You Got From Training!
Classification: Canon
Air date: Oct 30, 2011
One Piece episode 521 is canon — it adapts the original story.
Episode: 521 — The Battle is on! Show Them What You Got From Training!
Classification: Canon
Air date: Oct 30, 2011