Frontier: Curiosity Part I

Four members of the human race embark on a journey that is the first of its kind. For two hundred and fifty days they hurtle through space before reaching the red planet, and there is no going back. Alone on a hostile world, millions of miles from home, the astronauts take on a mission of grave importance. At the bottom of the largest canyon in the solar system, the search for life on Mars has truly begun.