Bill Nye Saves the World

E1. Earth Is a Hot Mess

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.

★ 7.6

E2. Tune Your Quack-o-Meter

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

★ 6.7

E3. Machines Take Over the World

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

★ 9.0

E4. More Food, Less Hype

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

★ 6.5

E5. The Original Martian Invasion

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

★ 5.7

E6. Do Some Shots, Save the World

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.

★ 6.0