Season 3 Episodes20
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E1 7.5Whoopi Goldberg
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E2 7.9Mayim Bialik
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E3 7.5Man on Wire
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E4 7.9Time Travel
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E5 7.8Now viewingBrian Greene
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E6 7.1Robert Kirkman and The Walking Dead
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E7 7.3Jeremy Irons
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E8 8.3The Martian
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E9 7.0Ben Stiller
E10 7.6Buzz Aldrin
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E11 7.3Terry Crews
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E12 7.4Jay Leno
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E13 7.4William Shatner
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E14 6.6US Secretary of Defense Ash Carter
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E15 7.2Hope Solo
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E16 8.1Search for Aliens
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E17 7.6The Science of Weather
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E18 6.9Science of Game of Thrones
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E19 7.8Herbie Hancock and Wayne Shorter
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E20 7.3Bill Maher
Cast1
Neil deGrasse Tyson
Self - Host
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