Si vous avez aimé Mars

In the year 2000, when terrorist groups, evil criminals and aliens become too strong even for Earth's over-stretched armed forces, the virtually-indestructible robot, Gigantor, is built to combat injustice across the globe.

Ambassador Magma is a golden human rocket created to defend the planet Earth. Goa, an old foe that Magma had defeated has awakened from dormancy and attempts to capture the planet Earth again. To keep Earth safe from the hands of Goa, Magma has been reawakened to watch over the planet. Source: AnimeNfo