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A to Z: The First Alphabet Preview

Writing shaped our world and the rise of human knowledge, from the trading of goods to tales of ancient goddesses and kings. Follow the evolution of the written word, from 4,000-year-old carvings in an Egyptian turquoise mine to modern-day alphabets.
Preview Season 47 Episode 13 Length 00:27 Premiere: 09/23/20

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Season 47 Episodes

Human Nature

S47 E11 Length 1:33:41 Premiere Date 09/09/20

Eagle Power

S47 E7 Length 53:22 Premiere Date 05/20/20

Cat Tales

S47 E3 Length 53:21 Premiere Date 02/19/20

Dog Tales

S47 E2 Length 53:21 Premiere Date 02/12/20

Polar Extremes

S47 E1 Length 1:52:46 Premiere Date 02/05/20

A to Z: The First Alphabet Preview

Preview Length 00:27 Premiere Date 09/23/20

Aboriginal Elder Sings Ancient Creation Song

Clip Length 04:04 Premiere Date 09/23/20

How Egyptian Hieroglyphs Influenced Modern Alphabets

Clip Length 03:56 Premiere Date 09/23/20

The Joys and Challenges of Birding While Black

Clip Length 03:54 Premiere Date 09/03/20

Losing a Loved One to Early Onset Alzheimer's

Clip Length 04:53 Premiere Date 09/02/20

How Communities Can Adapt to Climate Change

Clip Length 03:59 Premiere Date 06/29/20

Can Geoengineering “Undo” Climate Change?

Clip Length 04:41 Premiere Date 06/24/20

Cutting our Greenhouse Gas Emissions to Zero

Clip Length 04:52 Premiere Date 06/19/20

Three Solutions That Can Slow or Stop Climate Change

Clip Length 04:21 Premiere Date 06/04/20

What is it Like to Live in Antarctica?

Clip Length 09:41 Premiere Date 02/26/20

Why is this Antarctic Glacier “Bleeding?”

Clip Length 10:00 Premiere Date 02/11/20

How Antarctica’s Cutest Baby Seals Grow Up

Clip Length 10:50 Premiere Date 02/05/20

Antarctica: Journey to the Bottom of the Earth

Clip Length 14:11 Premiere Date 01/29/20

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Making North America: Origins - S42 E20

Premiered On: 11/04/2015

Discover how forces of almost unimaginable power gave birth to the continent of North America.

  • Sunday April 21, 2024 7:00 pm ET on KET2
  • Sunday April 21, 2024 6:00 pm CT on KET2
  • Tuesday April 23, 2024 12:00 am ET on KET2
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Weathering the Future - S50 E5

As extreme weather in the U.S. impacts more people - with longer heat waves, more intense rainstorms, megafires, and droughts - discover how Americans are fighting back by marshaling ancient wisdom and innovating new solutions.

  • Monday April 22, 2024 4:00 pm ET on KETWORLD
  • Monday April 22, 2024 3:00 pm CT on KETWORLD

Making North America: Life - S42 E21

Premiered On: 11/11/2015

The mysteries of how life evolved in North America, including the arrival of humans, are explored.

  • Wednesday April 24, 2024 10:00 pm ET on KET
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  • Sunday April 28, 2024 7:00 pm ET on KET2
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  • Tuesday April 30, 2024 12:00 am ET on KET2
  • Monday April 29, 2024 11:00 pm CT on KET2

Making North America: Human - S42 E22

Premiered On: 11/18/2015

From Ice Age to oil boom, discover the challenges faced and the wealth uncovered as humans take over the continent.

  • Wednesday May 1, 2024 10:00 pm ET on KET
  • Wednesday May 1, 2024 9:00 pm CT on KET
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Why Bridges Collapse - S46 E18

Premiered On: 10/16/2019

NOVA investigates what may have led to the collapse of the Polcevera Bridge in Genoa, Italy, that killed 43 people. But the Polcevera Bridge isn't alone. Join experts as they compare what happened to the Polcevera with other deadly bridge collapses, including Minnesota's I-35W bridge over the Mississippi and the famed Silver Bridge over the Ohio River.

  • Wednesday May 8, 2024 10:00 pm ET on KET
  • Wednesday May 8, 2024 9:00 pm CT on KET
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Secrets in Your Data - S51 E7

Alok Patel takes a look at what happens to the personal data shared on social media and efforts to maximize benefits without compromising personal privacy.

  • Wednesday May 15, 2024 9:00 pm ET on KET
  • Wednesday May 15, 2024 8:00 pm CT on KET
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  • Sunday May 19, 2024 7:00 pm ET on KET2
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Making North America: Origins - S42 E20

  • Friday April 19, 2024 3:00 am ET on KET
  • Friday April 19, 2024 2:00 am CT on KET
  • Thursday April 18, 2024 5:00 pm ET on KET
  • Thursday April 18, 2024 4:00 pm CT on KET
  • Wednesday April 17, 2024 10:00 pm ET on KET
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Ancient Maya Metropolis - S48 E22

  • Wednesday April 17, 2024 8:00 am ET on KETWORLD
  • Wednesday April 17, 2024 7:00 am CT on KETWORLD
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Secrets of the Forbidden City - S44 E15

  • Friday April 5, 2024 3:00 am ET on KET
  • Friday April 5, 2024 2:00 am CT on KET
  • Wednesday April 3, 2024 10:00 pm ET on KET
  • Wednesday April 3, 2024 9:00 pm CT on KET

Great American Eclipse - S51 E6

  • Wednesday April 10, 2024 8:00 am ET on KETWORLD
  • Wednesday April 10, 2024 7:00 am CT on KETWORLD
  • Wednesday April 10, 2024 12:00 am ET on KETWORLD
  • Tuesday April 9, 2024 11:00 pm CT on KETWORLD
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A.I. Revolution - S51 E5

  • Wednesday April 3, 2024 5:00 pm ET on KET
  • Wednesday April 3, 2024 4:00 pm CT on KET
  • Wednesday April 3, 2024 8:00 am ET on KETWORLD
  • Wednesday April 3, 2024 7:00 am CT on KETWORLD
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  • Wednesday March 27, 2024 9:00 pm ET on KET
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Why Bridges Collapse - S46 E18

  • Sunday March 24, 2024 7:00 pm ET on KET2
  • Sunday March 24, 2024 6:00 pm CT on KET2

Polar Extremes - S47 E1

  • Wednesday March 27, 2024 8:00 am ET on KETWORLD
  • Wednesday March 27, 2024 7:00 am CT on KETWORLD
  • Wednesday March 27, 2024 12:00 am ET on KETWORLD
  • Tuesday March 26, 2024 11:00 pm CT on KETWORLD
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  • Friday March 22, 2024 2:00 am ET on KET
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  • Wednesday March 20, 2024 9:00 pm ET on KET
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Hidden Volcano Abyss - S50 E8

  • Wednesday March 20, 2024 8:00 am ET on KETWORLD
  • Wednesday March 20, 2024 7:00 am CT on KETWORLD
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  • Tuesday March 19, 2024 11:00 pm CT on KETWORLD
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