Black Jack (TV): Hizouban Specials
Japanese title: ブラックジャック 秘蔵版スペシャル
Type: Special
Episodes: 2
Source: Manga
Genres: Adventure
Studios: Tezuka Productions
Duration: 23 min per ep
Rating: G - All Ages

This was originally from the Black Jack (2004), but weren't aired then, only later. There are two episodes in this:
The Dog Thief
Kamaitachi in the Woodlands