By 2050, global warming and environmental destruction have taken the ultimate toll on Earth. Left with no choice but to colonize another planet, scientists seed Mars with an oxygen-rich algae, but when it disappears, a mission must be sent to investigate. A five-person crew sets out to solve the algae mystery, but they quickly discover a chilling truth: they're not alone.
Discover how you can enjoy HBO’s original series, hit movies, documentaries and more. HBO is available through the HBO NOW streaming app, TV package, or an existing digital subscription
You can stream HBO anywhere you go. Watch HBO on your TV, computer, tablet or mobile phone.