Is One Piece episode 411 filler?
One Piece episode 411 is canon — it adapts the original story.
Episode: 411 — The Secret Hidden on the Backs – Luffy and the Snake Princess Meet
Classification: Canon
Air date: Aug 2, 2009
One Piece episode 411 is canon — it adapts the original story.
Episode: 411 — The Secret Hidden on the Backs – Luffy and the Snake Princess Meet
Classification: Canon
Air date: Aug 2, 2009