Aldnoah.Zero

In 1972, the Apollo 17 mission discovered a hypergate to Mars on the surface of the moon. Soon a war breaks out between Earth and Mars, and Martian soldiers begin to descend from the sky, riding steel giants, intent on exterminating humanity.Aldnoah.Zero has one or more episodes streaming with subscription on Netflix, streaming with subscription on Hulu, and free on Crunchyroll. It's an action & adventure and animation show with 36 episodes over 2 seasons. Aldnoah.Zero is no longer running and has no plans to air new episodes or seasons. It has a better than average IMDb audience rating of 7.3 (1,798 votes).