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.

Last Updated: 5/17/2025Network: NetflixStatus: Ended

Extinction: Why All Our Friends Are Dying

7.95

41 votes

#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.

Watch Now:Amazon

7.93

43 votes

#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."

Watch Now:Amazon

7.58

202 votes

#3 - 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.

Watch Now:Amazon

7.57

42 votes

#4 - 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.

Watch Now:Amazon

7.57

37 votes

#5 - 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?

Directors: Liz Plonka

Writer: Amina Khan, Bill Nye, Cece Pleasants, Corey Powell, Jessica Harrop, Marcella Arguello, Michael Naidus, Mike Drucker, Prashanth Venkataramanujam, Sanden Totten, Teagan Wall

Watch Now:Amazon

7.56

32 votes

#6 - 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.

Directors: Liz Plonka

Writer: Amina Khan, Bill Nye, Cece Pleasants, Corey Powell, Jessica Harrop, Marcella Arguello, Michael Naidus, Mike Drucker, Prashanth Venkataramanujam, Sanden Totten, Teagan Wall

Watch Now:Amazon

7.55

33 votes

#7 - 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.

Directors: Liz Plonka

Writer: Amina Khan, Bill Nye, Cece Pleasants, Corey Powell, Jessica Harrop, Marcella Arguello, Michael Naidus, Mike Drucker, Prashanth Venkataramanujam, Sanden Totten, Teagan Wall

Watch Now:Amazon

7.53

36 votes

#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.

Watch Now:Amazon

7.52

33 votes

#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.

Directors: Liz Plonka

Writer: Amina Khan, Bill Nye, Cece Pleasants, Corey Powell, Jessica Harrop, Marcella Arguello, Michael Naidus, Mike Drucker, Prashanth Venkataramanujam, Sanden Totten, Teagan Wall

Watch Now:Amazon

7.50

36 votes

#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".

Directors: Liz Plonka

Writer: Amin Khan, Bill Nye, Cece Pleasants, Corey Powell, Jessica Harrop, Marcella Arguello, Michael Naidus, Mike Drucker, Prashanth Venkataramanujam, Sanden Totten, Teagan Wall

Watch Now:Amazon

7.48

122 votes

#11 - 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.

Watch Now:Amazon

7.47

30 votes

#12 - What Is Your Pet Really Thinking?

Season 3 - Episode 6 - Aired 5/11/2018

Other creatures may think and feel the way humans do.

Directors: Liz Plonka

Writer: Amina Khan, Bill Nye, Cece Pleasants, Corey Powell, Jessica Harrop, Marcella Arguello, Michael Naidus, Mike Drucker, Prashanth Venkataramanujam, Sanden Totten, Teagan Wall

Watch Now:Amazon

7.44

86 votes

#13 - 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.

7.43

46 votes

#14 - 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.

Watch Now:Amazon

7.39

104 votes

#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.

Watch Now:Amazon

7.37

102 votes

#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.

Watch Now:Amazon

7.20

116 votes

#17 - 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.

Watch Now:Amazon