Season 1

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  6.1/10446 votes

  Earth Is a Hot Mess

  Season 1 Episode 1 - Aired 4/21/2017

  Bill calls out climate change deniers, breaks down the science of global warming and explains how we can make the planet a cooler place to live.

  Director: Unknown

  Writer: Unknown

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  5.8/10349 votes

  Tune Your Quack-o-Meter

  Season 1 Episode 2 - Aired 4/21/2017

  Bill and his panel of experts debunk bogus alternative remedies like homeopathy, the healing power of magnets ... and curing cancer by yelling at it.

  Director: Unknown

  Writer: Unknown

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  5.2/10291 votes

  Machines Take Over the World

  Season 1 Episode 3 - Aired 4/21/2017

  From robots that paint Rembrandts to Twitterbots gone rogue, Bill and his guests explore the potential and pitfalls of artificial intelligence.

  Director: Unknown

  Writer: Unknown

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  5.0/10271 votes

  More Food, Less Hype

  Season 1 Episode 4 - Aired 4/21/2017

  Bill extracts DNA from a strawberry in the lab and talks about genetically modified foods with a Monsanto executive, a professor and a farmer.

  Director: Unknown

  Writer: Unknown

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  4.9/10240 votes

  The Original Martian Invasion

  Season 1 Episode 5 - Aired 4/21/2017

  Bill introduces the theory of panspermia, NASA scientists discuss the Mars 2020 mission, and Wil Wheaton and the panel ponder life on other planets.

  Director: Unknown

  Writer: Unknown

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  5.4/10249 votes

  Do Some Shots, Save the World

  Season 1 Episode 6 - Aired 4/21/2017

  With help from some friends in raincoats and a room full of unemployed germs, Bill demonstrates how vaccines work and why everyone needs to get them.

  Director: Unknown

  Writer: Unknown

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  5.1/10223 votes

  Cheat Codes for Reality

  Season 1 Episode 7 - Aired 4/21/2017

  Bill and his correspondents check out video game technology that's changing the world, including a game that helps surgeons sharpen their skills.

  Director: Unknown

  Writer: Unknown

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  4.9/10235 votes

  This Diet Is Bananas

  Season 1 Episode 8 - Aired 4/21/2017

  What's in a calorie? Bill flambés a marshmallow in the name of science, experts weigh in on fad diets, and singing kale keeps it real about nutrition.

  Director: Unknown

  Writer: Unknown

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  2.8/10582 votes

  The Sexual Spectrum

  Season 1 Episode 9 - Aired 4/21/2017

  Sex is complex! Bill explores the ever-evolving science of sexuality with help from a panel of experts and "Crazy Ex-Girlfriend" star Rachel Bloom.

  Director: Nick Murray

  Writer: Unknown

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  5.1/10221 votes

  Saving the World -- with Space!

  Season 1 Episode 10 - Aired 4/21/2017

  Bill and the panel discuss private space travel. Mean astronaut Joel McHale answers questions, and lunar gravity gives a young basketballer a boost.

  Director: Unknown

  Writer: Unknown

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  4.8/10221 votes

  Malarkey!

  Season 1 Episode 11 - Aired 4/21/2017

  Chemtrails. Crop circles. Palm readers. Bill takes aim at pseudoscience and explains how confirmation bias makes us believe things that aren't true.

  Director: Unknown

  Writer: Unknown

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  4.1/10271 votes

  Designer Babies

  Season 1 Episode 12 - Aired 4/21/2017

  Bill explores advances in IVF that are helping couples have healthy babies. "Project Runway" star Tim Gunn hosts a special fashion show in the lab.

  Director: Unknown

  Writer: Unknown

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  3.8/10305 votes

  Earth's People Problem

  Season 1 Episode 13 - Aired 4/21/2017

  Bill and his guests talk about tackling overpopulation by empowering women. Comedian Joanna Hausmann interviews couples about male contraception.

  Director: Unknown

  Writer: Unknown