Josh Gates sets off on the most extraordinary expedition of his career. He'll journey over 50,000 miles to four continents to tackle mankind's greatest question: Are we alone in the universe?
1 Season • 4 Episodes Total
4 Episodes • Aired October 2017
Episodes
4
First Aired
Oct 2017
2008
2016
2017
2013
2006
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2005
2022
1994
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2015
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2025
2024
