Is One Piece episode 337 filler?
One Piece episode 337 is canon — it adapts the original story.
Episode: 337 — Plunging into the Devil’s Sea! The Mysterious Skeleton Floating in the Fog!
Classification: Canon
Air date: Jan 6, 2008
Rating: ★ 7.5
One Piece episode 337 is canon — it adapts the original story.
Episode: 337 — Plunging into the Devil’s Sea! The Mysterious Skeleton Floating in the Fog!
Classification: Canon
Air date: Jan 6, 2008
Rating: ★ 7.5