Detective Conan Drama Special 1: The Letter of Challenge 2006
In order to uphold his title of High School Detective, a teen sleuth must protect his classmates from kidnapping after receiving a threatening letter.
- Released: 2006-10-02
- Runtime: 90 minutes
- Genre: Mystery
- Stars: Shun Oguri, Minami Takayama, Tomoka Kurokawa, Masahiko Nishimura, Kazuhiko Nishimura, Masatō Ibu, Asami Mizukawa, Becky, Takanori Jinnai, Mayuko Iwasa
- Director: Okamoto Koichi