The BEST episodes of Bill Nye Saves the World
Every episode of Bill Nye Saves the World ever, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Bill Nye Saves the World!
Emmy-winning host Bill Nye brings experts and famous guests to his lab for a talk show exploring scientific issues that touch our lives.
![Extinction: Why All Our Friends Are Dying](https://cdn.episode.ninja/file/episodeninja/6474280.jpg)
#1 - Extinction: Why All Our Friends Are Dying
Season 2 - Episode 5 - Aired 12/29/2017
OK Go and Drew Carey help Bill explain extinction, and the panel reveals how scientists could one day bring extinct species back to life.
![How to Travel Through Time](https://cdn.episode.ninja/file/episodeninja/6474284.jpg)
#2 - How to Travel Through Time
Season 2 - Episode 6 - Aired 12/29/2017
Bill breaks down the science of time travel with guests Zach Braff, retired astronaut Scott Kelly and the minds behind "Star Trek" and "Lost."
![Your Computer Is Under Attack](https://cdn.episode.ninja/file/episodeninja/6474270.jpg)
#3 - Your Computer Is Under Attack
Season 2 - Episode 2 - Aired 12/29/2017
From phishing to malware, Bill uncovers the scams that steal our data. Steve-O talks about the time he exposed himself … to hackers.
![Cheating Death](https://cdn.episode.ninja/file/episodeninja/6662477.jpg)
#4 - Cheating Death
Season 3 - Episode 1 - Aired 5/11/2018
As Bill breaks down the science of aging, his correspondents try bizarre beauty treatments and learn how spinach could transform organ transplants. Spoiler Alert: We're all going to die. But controversial technologies-like stem cells, head transplants, and 3D-printed organs-are extending our lives. We can really drag this thing out if we want to, but do we really want to live forever?
![The Addiction Episode](https://cdn.episode.ninja/file/episodeninja/6685486.jpg)
#5 - The Addiction Episode
Season 3 - Episode 3 - Aired 5/11/2018
Bill explains how addiction changes the brain, comedian Maria Bamford shares her struggles, and Cara Santa Maria visits a research lab casino.
![Tune Your Quack-o-Meter](https://cdn.episode.ninja/file/episodeninja/6055693.jpg)
#6 - 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.
![Evolution: The Fact of Life](https://cdn.episode.ninja/file/episodeninja/6685490.jpg)
#7 - Evolution: The Fact of Life
Season 3 - Episode 5 - Aired 5/11/2018
In London, mutated mosquitos make a meal of Derek Muller. Comedian Paul F. Tompkins helps Bill burst a common myth about evolution.
![Sex, Drugs and Superbugs](https://cdn.episode.ninja/file/episodeninja/6474279.jpg)
#8 - Sex, Drugs and Superbugs
Season 2 - Episode 4 - Aired 12/29/2017
Bill spreads bad news about antibiotic-resistant gonorrhea and other superbugs. Comedian Ali Wong stops by the studio for a glow-in-the-dark demo.
![Recipes From The Future](https://cdn.episode.ninja/file/episodeninja/6685487.jpg)
#9 - Recipes From The Future
Season 3 - Episode 4 - Aired 5/11/2018
Karlie Kloss tours Japanese farms that grow produce without soil to save water and space. Back in the studio, Margaret Cho samples meat made in a lab.
![Surviving in a World Without Water](https://cdn.episode.ninja/file/episodeninja/6685484.jpg)
#10 - Surviving in a World Without Water
Season 3 - Episode 2 - Aired 5/11/2018
Derek Muller discovers why Mexico City is sinking, Nazeem Hussain tests his desert survival skills, and Bill has a drink with a "water sommelier".
![What Is Your Pet Really Thinking?](https://cdn.episode.ninja/file/episodeninja/6685492.jpg)
#11 - What Is Your Pet Really Thinking?
Season 3 - Episode 6 - Aired 5/11/2018
Other creatures may think and feel the way humans do.
![Do Some Shots, Save the World](https://cdn.episode.ninja/file/episodeninja/6055697.jpg)
#12 - 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.
![We Suck at Sleeping](https://cdn.episode.ninja/file/episodeninja/6474277.jpg)
#13 - We Suck at Sleeping
Season 2 - Episode 3 - Aired 12/29/2017
In search of better sleep, correspondents seek out NASA scientists and a professional cuddler. Bill busts myths about naps, dreams and turkey.
![The Marijuana Episode](https://cdn.episode.ninja/file/episodeninja/6436094.jpg)
#14 - The Marijuana Episode
Season 2 - Episode 1 - Aired 12/29/2017
Bill visits a cannabis dispensary in Hollywood and takes a trip through hemp history. Kevin Smith and other panelists weigh weed's pros and cons.
![Malarkey!](https://cdn.episode.ninja/file/episodeninja/6055717.jpg)
#15 - 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.
![Designer Babies](https://cdn.episode.ninja/file/episodeninja/6055718.jpg)
#16 - 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.
![The Original Martian Invasion](https://cdn.episode.ninja/file/episodeninja/6055696.jpg)
#17 - 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.
![This Diet Is Bananas](https://cdn.episode.ninja/file/episodeninja/6055714.jpg)
#18 - 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.
![More Food, Less Hype](https://cdn.episode.ninja/file/episodeninja/6055695.jpg)
#20 - 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.
![Earth's People Problem](https://cdn.episode.ninja/file/episodeninja/6055719.jpg)
#22 - 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.
![The Sexual Spectrum](https://cdn.episode.ninja/file/episodeninja/6055715.jpg)
#23 - 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.
![Earth Is a Hot Mess](https://cdn.episode.ninja/file/episodeninja/5962905.jpg)
#24 - 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.
![Cheat Codes for Reality](https://cdn.episode.ninja/file/episodeninja/6055698.jpg)
#25 - 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.