Tantei Shounen Kageman
Japanese title: 探偵少年カゲマン
Type: TV
Source: Unknown
Episodes: 39
Status: Finished Airing
Aired: Apr 10, 2001 to Jan 16, 2002
Broadcast: Unknown
Duration: 11 min per ep
Rating: G - All Ages
Studios: Studio Hibari
Producers: Shogakukan Productions
Genres: Comedy, Mystery

Kageman is a boy who wants to become the best detective in the world. Each of the self-contained episode features a fun guessing game and unriddling of a case. 

(Source: AniDB)