Title: 超人機メタルダー, Choujinki Metalder, Superhuman-Machine Metalder
Broadcast period: from March 16, 1987 to January 17, 1988
Episode 1 by HiNoTori-Fansub www.hinotori-fansubs.com
Episodes 2-20, 31-39 and Movie by Dead Fish Fansub (defunct)
Episodes 21-30 are DVD rips with very good English subs from bootleg release.