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- 1Whoopi GoldbergSeptember 19, 2016 · 8.5
- 2Mayim BialikSeptember 26, 2016
- 3Man on WireOctober 3, 2016 · 7.5
- 4Time TravelOctober 10, 2016 · 9.5
- 5Brian GreeneOctober 17, 2016 · 9.5
- 6Robert Kirkman and The Walking DeadOctober 24, 2016 · 8.0
- 7Jeremy IronsNovember 7, 2016 · 8.5
- 8The MartianNovember 14, 2016 · 9.5
- 9Ben StillerNovember 21, 2016 · 8.0
- 10Buzz AldrinNovember 28, 2016 · 9.0
- 11Terry CrewsDecember 5, 2016 · 7.5
- 12Jay LenoDecember 12, 2016
- 13William ShatnerDecember 19, 2016
- 14US Secretary of Defense Ash CarterDecember 26, 2016
- 15Hope SoloJanuary 2, 2017 · 8.5
- 16Search for AliensJanuary 9, 2017 · 9.5
- 17The Science of WeatherJanuary 16, 2017
- 18Science of Game of ThronesJanuary 23, 2017 · 8.5
- 19Herbie Hancock and Wayne ShorterJanuary 30, 2017
- 20Bill MaherFebruary 6, 2017