Ep 420Sword of the Eight-Headed Serpent (Part 2)
Is Detective Conan Episode 420 Filler?
Yes — Episode 420 is Filler. This episode is anime-original content not sourced from the Detective Conan manga. You can safely skip it without missing any key story developments. The main plot continues uninterrupted from the previous canon episode.
Tip: Use the full episode list to jump directly to the next canon episode and filter by "Canon" to see only story-essential episodes.
Episode Overview
Originally broadcast on November 14, 2005, this episode — Episode 420: "Sword of the Eight-Headed Serpent (Part 2)" — continues the Detective Conan Main arc of Detective Conan. Unlike canon episodes, this installment was produced exclusively for the anime adaptation and has no counterpart in the Detective Conan manga. Skipping Episode 420 has no impact on your understanding of future canon episodes — nothing plot-critical happens here.
Episode information is collated from multiple community sources and may contain inaccuracies.
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