Ep 20A Haunted Mansion Murder Case
Is Detective Conan Episode 20 Filler?
No — Episode 20 is Canon. This episode directly adapts content from the Detective Conan manga and contains story-critical events. We strongly recommend watching all canon episodes to follow the main plot without missing key developments.
Episode Overview
Originally broadcast on June 17, 1996, this episode — Episode 20: "A Haunted Mansion Murder Case" — continues the Detective Conan Main arc of Detective Conan. The episode follows the Detective Conan source material closely, making it an essential part of the canon narrative. All viewers should watch Episode 20; it advances the plot in ways that directly affect future episodes.
Episode information is collated from multiple community sources and may contain inaccuracies.
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