Unsealed: Alien Files

Life On Mars

Season 1    Episode 16
May 22, 2013    20m    TV-PG
Play
As the Curiosity Rover searches Mars for signs of life, the questions becomes: Could Mars have been first? We'll explore the shocking possibility that sentient life began on Mars and traveled here.

Take Plex everywhere

Watch free anytime, anywhere, on almost any device.
See the full list of supported devices