- Minami Takayama (Conan Edogawa (voice))
- Kappei Yamaguchi (Shinichi Kudo (voice))
- Wakana Yamazaki (Ran Mouri (voice))
- Akira Kamiya (Kogoro Mouri (voice))
- Rikiya Koyama (Kogoro Mouri (voice))
- Megumi Hayashibara (Ai Haibara (voice))
- Kenichi Ogata (Hiroshi Agasa (voice))
- Yukiko Iwai (Ayumi Yoshida (voice))
- Wataru Takagi (Genta Kojima (voice))
- Ikue Otani (Mitsuhiko Tsuburaya (voice))
- Chafurin (Juzo Megure (voice))
Detective Conan — S1E394
Episode: Big Adventure in the Eccentric Mansion: The Seal
Air Date: 2005-04-18
Runtime: 25 min
Overview
Agasa, Haibara, Conan, Ayumi, Mitsuhiko, and Genta go camping. While they're camping they find a lantern in a pond with some writing inside. They show the stone lantern to Conan who determines that it is a code to finding a large diamond. The lantern is also hiding another secret...a dead body at the bottom of the pond.