Is Naruto Shippuden episode 166 filler?
Naruto Shippuden episode 166 is canon — it adapts the original story.
Episode: 166 — Confessions
Classification: Canon
Air date: Jun 24, 2010
Naruto Shippuden episode 166 is canon — it adapts the original story.
Episode: 166 — Confessions
Classification: Canon
Air date: Jun 24, 2010