Dallos (ダロス, Darosu?) is a Japanese science fiction OVA released in 1983, directed by Mamoru Oshii and created by Oshii and Hisayuki Toriumi (who also wrote the scripts with Oshii). It is widely considered the first OVA ever released. The storyline focuses on Moon pioneers and the evolution of mankind.
Read more about Dallos: Story, Characters, Release