Mars
Japanese title: マーズ
Type: OVA
Source: Manga
Episodes: 2
Status: Finished Airing
Aired: Jun 10, 1994 to Aug 5, 1994
Duration: 26 min per ep
Rating: PG-13 - Teens 13 or older
Studios: KSS
Producers: 81 Produce
Genres: Action, Sci-Fi
Themes: Mecha
Demographics: Shounen

Mars is the 1st remake of the franchise and restored the original manga's storyline of a young boy in suspended animation inside a South Sea volcano who awakens a century before his alien masters planned to use his powers to reduce human civilization to a manageable low-tech level. 

(Source: The Anime Encyclopedia)