Black Jack ONA
Genres: Drama
Type: ONA, Episodes: 12
Aired: Jan 8, 2001 to Jan 1, 2002
Source: Unknown
Rating: PG - Children
Synopsis:
Black Jack, a mysterious young unlicensed doctor with godlike skills, travels the world performing feats of impossible surgery, charging vast fees for his services, and challenging the corrupt practices of the medical establishment. This selection of stories, each adapted from a single original manga issue, focuses more on interpersonal relationships and back-story than most other Black Jack series. 

(Source: ANN)