Plot: Astronaut Mike Massimino uses the latest science to reveal the strange secrets of planet earth, and explores whether alien earths exist elsewhere in the universe.
The Planets And Beyond - Season 2 - Earth: The Secret History (Episode 1)
Episode Aired On:
Tuesday, March 20 2018
6 years ago
Tuesday, March 20 2018
6 years ago
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Episode 2
Michael J. Massimino