Aldnoah.Zero (2014) is a Animation, Action & Adventure, Sci-Fi & Fantasy series that follows 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. Currently, you can watch Aldnoah.Zero on Crunchyroll, Crunchyroll Amazon Channel. Streaming availability may vary by country and platform over time. It has a user rating of 7.6 out of 10 from 148 votes. Fans of animation series may also want to explore similar titles below.