Summary Mars has been a tough training ground, with half the missions sent there ending in failure. Swirling dust storms, deadly radiation, and arctic temperatures await the first, pioneering, astronauts. Despite the dangers, space agencies around the world race to launch the first human mission. So why explore this seemingly cold, barren wasteland? Mars was once a lot like earth. This film visits ancient riverbeds, polar ice caps, and giant volcanic regions, to find out what went wrong for this alien planet. Stunning CGI animation will sweep up Martian dust storms, dive inside lava tubes, and tear back layers of rock to find signs of life on Mars. This film unravels the mysteries surrounding this Earth-like world, revealing that the only way we will truly understand this planet's paradise past is to go there and explore it ourselves.

• Documentary