Is One Piece episode 356 filler?
One Piece episode 356 is canon — it adapts the original story.
Episode: 356 — Usopp's the Strongest? Leave Anything Negative to Him
Classification: Canon
Air date: Jun 1, 2008
One Piece episode 356 is canon — it adapts the original story.
Episode: 356 — Usopp's the Strongest? Leave Anything Negative to Him
Classification: Canon
Air date: Jun 1, 2008