Bill Nye Saves the World Season 1 Episode 5
Bill introduces the theory of panspermia, NASA scientists discuss the Mars 2020 mission, and Wil Wheaton and the panel ponder life on other planets.
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Serie: Bill Nye Saves the World
Guest Star: Alton Brown, Andy Rossi, Derek Muller, Hakeem Muata Oluseyi, Hunter Pence, Marcus Lindsay, Moogega Cooper, Rachel Bloom, Randy Couture, Wil Wheaton