Astroganger
Genres: Action, Sci-Fi
Type: TV, Episodes: 26
Aired: Oct 4, 1972 to Mar 28, 1973
Studio: Toei Animation
Source: Unknown
Rating: G - All Ages
Synopsis:
An alien woman named Maya crash-lands on Earth. Her homeworld was destroyed by the Blasters, a cruel alien race who steals the natural resources from other planets. She falls in love with a scientist and gives birth to a human boy named Kentaro. When the Blasters invade the Earth, Kentaro must defeat them by fighting with Astroganger, a robot made from living metal.

(Source: Wikipedia)