Releases

Season 1
The Big-O
THEビッグオー
THE Big O
1999-10-13 to 2000-01-19
13 episodes (24 minutes)
Action, Mecha, Mystery, Psychological, Sci-Fi
Sunrise
Season 2
The Big O II
THEビッグオー (2003)
THE Big O (2003)
2003-01-02 to 2003-03-27
13 episodes (24 minutes)
Action, Mecha, Mystery, Psychological, Sci-Fi
Sunrise

Sources

Manga
The Big O
Theビッグオー
Hitoshi Ariga - Story & Art
Hajime Yatate - Original Creator
1999-07-01 to 2001-10-01
21 Chapters
6 Volumes