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Clip Season 47 Episode 10 Length 02:47 Premiere: 05/13/20

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Season 47 Episodes

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

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

Three Solutions That Can Slow or Stop Climate Change
Clip Length 04:21 Premiere Date 06/04/20

Decoding COVID-19 Preview
Preview Length 00:26 Premiere Date 05/20/20

When You Lose a Loved One to Coronavirus
Clip Length 06:36 Premiere Date 05/13/20

How Viruses Like the Novel Coronavirus Evolve
Clip Length 02:53 Premiere Date 05/13/20

How Wuhan is Using Digital Gatekeeping to Reopen
Clip Length 02:47 Premiere Date 05/13/20

Why Antibody Tests Don’t Yet Reveal Coronavirus Immunity
Clip Length 05:59 Premiere Date 05/13/20

Can Scientists Use RNA to Create a Coronavirus Vaccine?
Clip Length 05:28 Premiere Date 04/16/20

How Coronavirus Tests Work
Clip Length 06:46 Premiere Date 03/27/20

What We Know and Don’t Know about the Coronavirus
Clip Length 05:55 Premiere Date 03/09/20

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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Evolution: Need to Feed - S53 E14

The surprising story of how our planet's diverse creatures became the furious feeding machines they are today.

  • Thursday October 22, 2026 5:00 pm ET on KET
  • Thursday October 22, 2026 4:00 pm CT on KET
  • Friday October 23, 2026 2:00 am ET on KET
  • Friday October 23, 2026 1:00 am CT on KET
  • Sunday October 25, 2026 7:00 pm ET on KET2
  • Sunday October 25, 2026 6:00 pm CT on KET2
  • Tuesday October 27, 2026 1:00 am ET on KET2
  • Tuesday October 27, 2026 12:00 am CT on KET2

Evolution: Body Builders - S53 E15

Discover the process behind the incredible variety of animal shapes and sizes.

  • Wednesday October 28, 2026 9:00 pm ET on KET
  • Wednesday October 28, 2026 8:00 pm CT on KET
  • Thursday October 29, 2026 5:00 pm ET on KET
  • Thursday October 29, 2026 4:00 pm CT on KET
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  • Friday October 30, 2026 1:00 am CT on KET
  • Sunday November 1, 2026 7:00 pm ET on KET2
  • Sunday November 1, 2026 6:00 pm CT on KET2
  • Tuesday November 3, 2026 1:00 am ET on KET2
  • Tuesday November 3, 2026 12:00 am CT on KET2

Evolution: The Mating Game - S53 E16

Discover how the rise of sexual reproduction fuels diversity, pushing life to specialize and shaping everything from tiny single-celled organisms to towering ostriches.

  • Wednesday November 4, 2026 9:00 pm ET on KET
  • Wednesday November 4, 2026 8:00 pm CT on KET
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  • Tuesday November 10, 2026 1:00 am ET on KET2
  • Tuesday November 10, 2026 12:00 am CT on KET2

Evolution: On the Run - S53 E17

An evolutionary ride from early aquatic ancestors to highly optimized runners like the horse.

  • Wednesday November 11, 2026 9:00 pm ET on KET
  • Wednesday November 11, 2026 8:00 pm CT on KET
  • Thursday November 12, 2026 5:00 pm ET on KET
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  • Friday November 13, 2026 2:00 am ET on KET
  • Friday November 13, 2026 1:00 am CT on KET
  • Sunday November 15, 2026 7:00 pm ET on KET2
  • Sunday November 15, 2026 6:00 pm CT on KET2
  • Tuesday November 17, 2026 1:00 am ET on KET2
  • Tuesday November 17, 2026 12:00 am CT on KET2

NOVA Universe Revealed: Age of Stars - S48 E15

Premiered On: 10/27/2021

The Hubble Space Telescope and a heat-resistant solar probe reveal new clues about the sun's 5-billion-year history.

  • Monday November 16, 2026 5:00 pm ET on KET
  • Monday November 16, 2026 4:00 pm CT on KET

NOVA Universe Revealed: Milky Way - S48 E16

Premiered On: 11/03/2021

Explore the history of the Milky Way, including what shaped this spiral of stars, gas and dust and what its destiny will be.

  • Tuesday November 17, 2026 5:00 pm ET on KET
  • Tuesday November 17, 2026 4:00 pm CT on KET

NOVA Universe Revealed: Alien Worlds - S48 E17

Premiered On: 11/10/2021

New science and discoveries made possible by ultra-sensitive telescopes and detective work transform alien planet-hunting from science fiction into fact.

  • Wednesday November 18, 2026 5:00 pm ET on KET
  • Wednesday November 18, 2026 4:00 pm CT on KET

NOVA Universe Revealed: Black Holes - S48 E18

Premiered On: 11/17/2021

A new generation of high-powered telescopes brings black holes to light. Animation reveals what happens when objects stray too close to a black hole's point of no return.

  • Thursday November 19, 2026 5:00 pm ET on KET
  • Thursday November 19, 2026 4:00 pm CT on KET

NOVA Universe Revealed: Big Bang - S48 E19

Premiered On: 11/24/2021

Nova probes the mystery of the Big Bang with stunning animation based on space telescope images.

  • Friday November 20, 2026 5:00 pm ET on KET
  • Friday November 20, 2026 4:00 pm CT on KET

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.

  • Sunday November 22, 2026 7:00 pm ET on KET2
  • Sunday November 22, 2026 6:00 pm CT on KET2
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Recent

Evolution: Need to Feed - S53 E14

  • Wednesday October 21, 2026 9:00 pm ET on KET
  • Wednesday October 21, 2026 8:00 pm CT on KET

Evolution: Brain Power - S53 E13

  • Tuesday October 20, 2026 1:00 am ET on KET2
  • Tuesday October 20, 2026 12:00 am CT on KET2
  • Sunday October 18, 2026 7:00 pm ET on KET2
  • Sunday October 18, 2026 6:00 pm CT on KET2
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  • Wednesday October 14, 2026 9:00 pm ET on KET
  • Wednesday October 14, 2026 8:00 pm CT on KET

Space Wars - S53 E12

  • Tuesday October 13, 2026 1:00 am ET on KET2
  • Tuesday October 13, 2026 12:00 am CT on KET2
  • Sunday October 11, 2026 7:00 pm ET on KET2
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  • Thursday October 8, 2026 5:00 pm ET on KET
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  • Wednesday October 7, 2026 9:00 pm ET on KET
  • Wednesday October 7, 2026 8:00 pm CT on KET

Stone Age Masterpiece - S53 E11

  • Tuesday October 6, 2026 1:00 am ET on KET2
  • Tuesday October 6, 2026 12:00 am CT on KET2
  • Sunday October 4, 2026 7:00 pm ET on KET2
  • Sunday October 4, 2026 6:00 pm CT on KET2
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  • Thursday October 1, 2026 5:00 pm ET on KET
  • Thursday October 1, 2026 4:00 pm CT on KET
  • Wednesday September 30, 2026 9:00 pm ET on KET
  • Wednesday September 30, 2026 8:00 pm CT on KET

Knowledge Keepers - S53 E10

  • Tuesday September 29, 2026 1:00 am ET on KET2
  • Tuesday September 29, 2026 12:00 am CT on KET2
  • Sunday September 27, 2026 7:00 pm ET on KET2
  • Sunday September 27, 2026 6:00 pm CT on KET2
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  • Wednesday September 23, 2026 8:00 pm CT on KET

The Battle to Breathe - S53 E9

  • Tuesday September 22, 2026 1:00 am ET on KET2
  • Tuesday September 22, 2026 12:00 am CT on KET2
  • Sunday September 20, 2026 7:00 pm ET on KET2
  • Sunday September 20, 2026 6:00 pm CT on KET2
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