S2016 E1 • Why Do We Forget Our Dreams?

S2016 E2 • Why Time Flies When You're Having Fun

S2016 E3 • Do You Have Free Will?

S2016 E4 • The Science of Wonder

S2016 E5 • 5 Body Parts You Can Live Without

S2016 E6 • The Science of Adrenaline

S2016 E7 • Why Do We Have Leap Years?

S2016 E8 • What Will Happen When The Sun Dies?

S2016 E9 • Why Do We Cry?

S2016 E10 • Are Humans Born Good Or Bad?

S2016 E11 • What Are The Odds That You Exist?

S2016 E12 • 5 More Common Expressions Explained

S2016 E13 • Are We Alone In The Universe?

S2016 E14 • This Your Brain On Music

S2016 E15 • How Many People Can The Earth Hold?

S2016 E16 • The Science Of Hallucinations

S2016 E17 • What If Jupiter Never Existed?

S2016 E18 • How Extreme Is The Weather In Our Universe?

S2016 E19 • Could You Survive 2.5 Million Years Ago?

S2016 E20 • Why Do We Shiver?

S2016 E21 • What Would Happen To You If All The Bees Die?

S2016 E22 • What's The Science Behind Video Games?

S2016 E23 • What If You Were Never Taught Anything?

S2016 E24 • Will Genetic Modification Create Perfect Humans?

S2016 E25 • Why Do You Sleepwalk?

S2016 E26 • Will Antibiotic-Resistant Superbugs Kill Us All?

S2016 E27 • What Happens After You Die

S2016 E28 • What's Hiding Deep Within The Ocean?

S2016 E29 • Why Don't Humans Reproduce Asexually?

S2016 E30 • What Do Performance-Enhancing Drugs Do To Your Body?

S2016 E31 • How These Women Changed Science Forever!

S2016 E32 • What Would Happen If You Never Left Your Bed?

S2016 E33 • How Long Would It Take To Fall Through The Earth?

S2016 E34 • How Exactly Do You Hear Things?

S2016 E35 • What Will Happen When Earth's Magnetic Poles Reverse?

S2016 E36 • This Technology Saved Your Life!

S2016 E37 • Should We Bring Extinct Animals Back To Life?

S2016 E38 • Why Do Soft Noises Make Your Brain Tingle - The Science Behind ASMR

S2016 E39 • Is It Possible To Stay Young Forever?

S2016 E40 • What Happens If You Eat Human Brains?

S2016 E41 • What Would A Parallel Universe Even Be Like

S2016 E42 • How Could We Create A Second Earth?

S2016 E43 • Could Humans Survive a Nuclear Winter

S2016 E44 • What Would It Take To Make A True Invisibility Cloak?

S2016 E45 • Is It Harder Than Ever To Find Love?

S2016 E46 • What Exactly Does Space Travel Do To Your Body

S2016 E47 • How Do The Blind Perceive The World?

S2016 E48 • Why Doesn't Winter Kill All The Fish And Plants?

S2016 E49 • Why Can't Humans Regrow Body Parts?

S2016 E50 • How Different Are You From Ancient Humans?