Ep 604The Seance's Double Locked Room Mystery (Second Locked Room)
Is Detective Conan Episode 604 Filler?
Yes — Episode 604 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 February 5, 2011, this episode — Episode 604: "The Seance's Double Locked Room Mystery (Second Locked Room)" — continues the Detective Conan Main arc of Detective Conan. This episode exists only in the anime. The original Detective Conan manga skips these events entirely. The main story does not progress in this episode. Skip it and resume from the next canon episode without any gaps.
Episode information is collated from multiple community sources and may contain inaccuracies.
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