Mankind has done buckets loads of new things - walked on the moon, invented the internet, learned how to twerk - but one thing that has never been done is getting somebody to Mars. Sure they've had stuff land there, had a look around via camera and what not, but nobody has ever had the 'one small step' moment. This programme goes behind the scenes at Nasa to discover how the space agency is preparing for this ambitious mission - to land a manned craft on the surface of Mars. It would involve a three year journey just to get there! You would want to have a rake load of travel games prepared for that, wouldn't ya just? "I went to Mars and brought a spacesuit". Now your turn. YOUR TURN, I said.