
Galileo Was Right
Geology guru Lee Silver helps Dave Scott and his Apollo 15 crew unravel the moon's mysterious origins by teaching them to become his lunar surrogates, and thus the first fully-trained “field observers” on another world.
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More from this season

S1 E1
Can We Do This?
NASA responds to John F. Kennedy's challenge of landing a man on the moon with a group of new astronauts for the Gemini Program, who work toward the eventual lunar voyage with a series of risky and groundbreaking earth-orbit missions.

S1 E2
Apollo 1
The tragic death of Apollo's first three astronauts during a pre-launch test haunts the spacecraft's designers, as they struggle to come to terms with what happened, and find a way to save the moon program.

S1 E3
We Have Cleared the Tower
A documentary film crew follows the final preparations for the first manned Apollo launch. Now behind schedule due to the Apollo 1 fire, astronauts and launch pad personnel bet their lives--and America's space future--on its success.

S1 E4
1968
NASA takes its boldest and most controversial step—an attempt to fly men around the moon and back for the first time in history—at the end of one of the most cataclysmic years of the century.