S2019 E1 • This Strange Sting Dissolves Your Skin

S2019 E2 • Could A Plant Grow Inside You?

S2019 E3 • Nuclear Mistakes That Nearly Killed Us

S2019 E4 • What Happens When You Stare At A Screen For 24 Hours? ft. TheOdd1sOut

S2019 E5 • What If Earth Had 67 Moons? - Dear Blocko #10

S2019 E6 • Could You Survive In The Middle Ages?

S2019 E7 • Why Do You Feel Pain After a Breakup? - Dear Blocko #11

S2019 E8 • Why Don't We Launch Our Trash Into The Sun?

S2019 E9 • Should You Really Be In a Relationship Forever?

S2019 E10 • How Do Eating Disorders Actually Work? ft. Kati Morton

S2019 E11 • Could Someone Hack Your Body?

S2019 E12 • Why Does The Moon Turn Blood Red? - Dear Blocko #12

S2019 E13 • What Happens When You Go To Sleep Drunk?

S2019 E14 • What Would a 24 Hour Flight Do To Your Body?

S2019 E15 • The Big Problem With The Drugs You Take

S2019 E16 • What Happens When You Step On A Rusty Nail? - Dear Blocko #13

S2019 E17 • What Eating Rotten Food Really Does To Your Body

S2019 E18 • What If Everyone Went To Sleep At The Same Time? - Dear Blocko #14

S2019 E19 • How Long Could You Survive Cut Off From Earth?

S2019 E20 • What Happens When You Go To Sleep High?

S2019 E21 • What's Your Information Worth To Hackers?

S2019 E22 • Stop Buying New Clothes. The Earth Is Mad.

S2019 E23 • What If You Only Drank Milk?

S2019 E24 • Could You Survive In Ancient Egypt?

S2019 E25 • What Would Make This Fish As Smart As You?

S2019 E26 • Is Getting Angry Good For You? - Ft. SomeThingElseYT

S2019 E27 • What Is Social Anxiety Disorder? - Dear Blocko #15

S2019 E28 • What If You Break The Speed Of Sound With Your Body?

S2019 E29 • What Happens If Your Stomach Gets Removed?

S2019 E30 • Can a Virus Get a Virus?

S2019 E31 • What Would Walking For 24 Hours Do To Your Body?

S2019 E32 • What If a Giant Solar Storm Hit Earth?

S2019 E33 • What If Earth Only Had One Season?

S2019 E34 • What Can The Most Powerful Satellites Really Do?

S2019 E35 • Why Are Old People Taking The Blood Of Young People?

S2019 E36 • The $18 Million Problem Hiding Underground

S2019 E37 • What Would 24 Hours In The Desert Do To Your Body?

S2019 E38 • What Was Living In Ancient Rome REALLY like?

S2019 E39 • Why Do We Talk In Our Sleep? - Dear Blocko #16

S2019 E40 • What If Life Noggin Was 5 Years Old?

S2019 E41 • What If The Internet Became A Country?

S2019 E42 • What Happens To Your Memories After You Die?

S2019 E43 • What If You Were Sent Back To The Ice Ages?

S2019 E44 • What Happens If You Get HIV / AIDS?

S2019 E45 • What Happens If You Get Stung By a Jellyfish?

S2019 E46 • What Happens To Your Body If You Get Stabbed?

S2019 E47 • What Does Xanax Really Do To Your Body?

S2019 E48 • Why Keeping a Big Secret Is Worse Than You Think

S2019 E49 • What If Whales Got Their Legs Back?

S2019 E50 • What's Really Happening When You're Hypnotized? - Dear Blocko #17