Currently you are able to watch "The Martian" streaming on Disney Plus. It is also possible to buy "The Martian" on Apple TV, Google Play Movies, Rakuten TV, Blockbuster, SF Anytime, Viaplay as download or rent it on Apple TV, Rakuten TV, Blockbuster, TV 2 Play, SF Anytime, Viaplay online.
During a manned mission to Mars, Astronaut Mark Watney is presumed dead after a fierce storm and left behind by his crew. But Watney has survived and finds himself stranded and alone on the hostile planet. With only meager supplies, he must draw upon his ingenuity, wit and spirit to subsist and find a way to signal to Earth that he is alive.