Detective Conan Drama Special 1: The Letter of Challenge
Movie| Title | 名探偵コナン- 工藤新一への挑戦状 |
| User score | 5.8 |
| Release date | Oct 2, 2006 |
| Genre | Mystery |
| Director | Okamoto Koichi |
| Production country | Japan |
| Production companies | Nippon Television Network Corporation, Yomiuri Telecasting Corporation |
| Run time | 90 min. |
In order to uphold his title of High School Detective, a teen sleuth must protect his classmates from kidnapping after receiving a threatening letter.
