Detective Conan Drama Special 1: The Letter of Challenge (2006)
| Release Date: | 2006, October 2 |
| Directors: | Okamoto Koichi |
| Countries: | Japan |
| Production: | Nippon Television Network Corporation, Yomiuri Telecasting Corporation |
| Cast: | Masahiko Nishimura, Minami Takayama, Shun Oguri, Becky, Mayuko Iwasa, Takanori Jinnai, Tomoka Kurokawa, Masatô Ibu, Asami Mizukawa, Kazuhiko Nishimura |