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Be Smart Season 4 Episodes

  • 2012-2018
  • 6 Seasons
  • PBS
  • Family
  • Watchlist
    Where to Watch

Joe Hanson, Ph.D. is a curious group of atoms in a curious universe, and he's here to tell you how it all works.

Season 4 Episode Guide

Season 4

42 Episodes 2016 - 2017

Episode 1

Could Bigfoot REALLY Exist?

Wed, Jan 13, 2016

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Episode 2

Who Shares Your Birthday?

Mon, Jan 18, 2016

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Episode 3

This Is Not a Rainbow

Mon, Jan 25, 2016

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Episode 4

Why Seasons Make No Sense

Mon, Feb 1, 2016

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Episode 5

100,000,000 Years From Now

Mon, Feb 8, 2016

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Episode 6

Is Big Data Getting Too Big?

Tue, Feb 16, 2016

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Episode 7

How Do Squirrels Find Their Nuts?

Thu, Feb 25, 2016

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Episode 8

So You Want to go to Mars?

Mon, Feb 29, 2016

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Episode 9

Einstein Is (Almost) Always Right: Gravitational Waves Edition

Mon, Mar 7, 2016

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Episode 10

The Equinox Isn't What You Think It Is

Wed, Mar 16, 2016

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Episode 11

How Many Trees Are There?

Mon, Mar 21, 2016

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Episode 12

How Do Bees Make Honey?

Mon, Mar 28, 2016

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Episode 13

Is Inheritance Really All In Our Genes?

Mon, Apr 4, 2016

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Episode 14

Are You Smarter Than A Slime Mold?

Tue, Apr 19, 2016

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Episode 15

Why Are You Multicellular?

Mon, Apr 25, 2016

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Episode 16

The Most Important Moment in the History of Life

Mon, May 2, 2016

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Episode 17

The Cosmic Afterglow

Mon, May 9, 2016

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Episode 18

6 Chemical Reactions That Changed History

Tue, May 17, 2016

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Episode 19

Is Your Brain Too Old For Video Games?

Mon, May 23, 2016

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Episode 20

How Fire Ants Took Over America

Mon, May 30, 2016

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Episode 21

Spit: Everything You Never Wanted To Know

Mon, Jun 6, 2016

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Episode 22

Musical Tesla Coils in SLOW MOTION!

Tue, Jun 14, 2016

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Episode 23

Where Did Zika Come From?

Mon, Jun 20, 2016

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Episode 24

Why Don't Other Animals Wear Glasses?

Mon, Jun 27, 2016

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Episode 25

Why Salt & Pepper?

Mon, Jul 11, 2016

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Episode 26

Attack of the Cosmic Space Junk!

Mon, Jul 18, 2016

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Episode 27

The Small Problem With Shrinking Ourselves

Tue, Jul 26, 2016

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Episode 28

Nature's Killer Cocktails: VENOM Science!

Mon, Aug 1, 2016

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Episode 29

Your Salad Is Trying To Kill You

Wed, Jul 13, 2016

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Episode 30

Engines of Destruction: The Science of Hurricanes!

Mon, Sep 19, 2016

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Episode 31

Do Plants Think?

Tue, Aug 23, 2016

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Episode 32

Why Don't Ants Get Stuck In Traffic?

Mon, Sep 26, 2016

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Episode 33

This Rainforest Caterpillar Looks Like Donald Trump

Mon, Oct 3, 2016

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Episode 34

How Baby Sea Turtles Find Their Way Home

Mon, Oct 17, 2016

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Episode 35

Ants in our plants!

Tue, Nov 1, 2016

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Episode 36

The Sky is Falling (Death From Above)

Mon, Nov 7, 2016

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Episode 37

Why Don't Woodpeckers Get Concussions?

Mon, Nov 28, 2016

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Episode 38

Why Does Everyone Hate Pigeons?

Wed, Dec 7, 2016

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Episode 39

23 Reasons to be Cheerful (Thanks to Science!)

Wed, Dec 28, 2016

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Episode 40

How An Igloo Keeps You Warm

Mon, Jan 9, 2017

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Episode 41

Is This A NEW SPECIES?!

Tue, Jan 17, 2017

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Episode 42

The Superb Owl!

Tue, Jan 31, 2017

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