And There Were No Mermaids (The Deduction) Meitantei Conan : Season 1 Episode 223
TV-14 YTV 25m
Aired: February 5th, 2001 @ 6:00 PM EST on YTV
Conan and Heiji investigate Naoko's brutal murder and discover a trail of fish scales that suggest Naoko's killer came from the sea.
