All Seasons

Season 1

• S01E01 Why is My Poop Green?

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• S01E02 Does Pop Culture Need to Be "Popular?"

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• S01E03 Why Do We Have More Boys Than Girls?

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• S01E04 How Do They Make Decaf Coffee?

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• S01E05 What Causes Morning Sickness?

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• S01E06 Is MSG Bad For You?

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• S01E07 What's the Deadliest Animal In The World?

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• S01E08 Why Are Stars Star-Shaped?

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• S01E09 Do Dogs Get Depressed?

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• S01E10 Where Does The Smell of Rain Come From?

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• S01E11 How Do You Know You Exist?

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• S01E12 Why Don't Sharks Have Bones?

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• S01E13 What Causes Antibiotic Resistance?

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• S01E14 How Do Oysters Make Pearls?

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• S01E15 Why Do Bats Transmit So Many Diseases Like Ebola?

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• S01E16 Is Minecraft the Most Important Game Right Now?

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• S01E17 Why Were People & Critics So Infatuated With Frozen?

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• S01E18 How Do Polarized Sunglasses Work?

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• S01E19 What Is The Speed of Dark?

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• S01E20 How Much Sleep Do You Actually Need?

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Season 2

• S02E01 Why Do Dogs Smell Each Other's Butts?

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• S02E02 Why Do Birds Have White And Dark Meat? (And Do We?)

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• S02E03 Who Runs The Internet Address Book?

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• S02E04 Why Do Our Hair And Eye Color Change?

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• S02E05 Are You Human?

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• S02E06 What Is The World's Deadliest Animal?

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• S02E07 Why Is It Hot Underground?

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• S02E08 Can You Waffle It?

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• S02E09 Are U.S. Military Bases And Embassies American Soil?

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• S02E10 Is Watch Dogs Possible?

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• S02E11 How Far Can Legolas See?

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• S02E12 Why Did We Blow On Nintendo Games?

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• S02E13 Why Do Ice Cubes Crack In Drinks?

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• S02E14 Should We All Be Eating Insects?

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• S02E15 Why Do Joints Pop And Crack?

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• S02E16 What Gives A Dollar Bill Its Value?

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• S02E17 How Do Animals Re-Grow Limbs?

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• S02E18 What Causes Auroras?

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• S02E19 What If The Earth Stopped Spinning?

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• S02E20 Should You Hover Or Cover The Toilet Seat?

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Season 3

• S03E01 Why Are There So Many Super Hero Movies?

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• S03E02 Can Bright Light Make You Sneeze?

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• S03E03 What Causes Garlic Breath?

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• S03E04 Why Does Time Go Forward?

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• S03E05 What Will Happen If You Boil Coke?

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• S03E06 What Does Ikea Say About The Human Condition?

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• S03E07 Are You Alone?

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• S03E08 How Does Your Brain Respond To Pain?

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• S03E09 Can You Trust Your Ears?

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• S03E10 Can Music Save Your Life?

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• S03E11 What Are Blood Types?

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• S03E12 Can Video Games Be A Spiritual Experience?

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• S03E13 How Do Rainbows Form?

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• S03E14 What The Heck Is Gluten?

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• S03E15 Could Godzilla Exist?

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• S03E16 Does Piracy Actually Help The Movie Industry?

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• S03E17 Which Animals Will Kill You In Your Sleep?

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• S03E18 Why Should We Launch Solar Panels Into Space?

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• S03E19 Why Do Zebras Have Stripes?

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• S03E20 Could You Get Your Pet Sick?

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Season 4

• S04E01 Why Do We Dye Easter Eggs?

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• S04E02 Why Do We Feel Emotions In Our Stomachs?

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• S04E03 Why Do We Get Allergies?

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• S04E04 Are Hong Kong And Macau Countries?

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• S04E05 What Does Sound Look Like?

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• S04E06 Why Do Cats Knead?

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• S04E07 Who Invented The Internet And Why?

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• S04E08 Are Pessimistic Brains Different?

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• S04E09 Why Is Ketchup So Hard To Pour?

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• S04E10 Why Do You Get The Spins When You're Drunk?

  • YouTube