Still from Detective Conan S1E223
Detective Conan › Season 1

S1 E223: And There Were No Mermaids (The Deduction)

Conan and Heiji investigate Naoko's brutal murder and discover a trail of fish scales that suggest Naoko's killer came from the sea.

Air dateFeb 5, 2001
Runtime25 minutes
TMDB rating★ 8.5/10