NASA's Unexplained Files - Season 2 (2015) (season)
USA,
2015, 43 min
Plots(1)
A UFO crashes in Pennsylvania. Was it a secret Soviet satellite or something far more dangerous? On Mercury, NASA finds the impossible: frozen water. A strange object causes a skyscraper-sized shadow on the surface of Mars's largest moon. What is it? (Science Channel)
Cast
Erik Dellums (narrator)
USA
Best series:
The Wire (2002) (series)
Avatar: The Last Airbender (2005) (series)
Homeland (2011) (series)