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How Wuhan is Using Digital Gatekeeping to Reopen

Anyone entering or leaving a building or public space in Wuhan is required to scan special location-marking codes with their phone.
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Clip Season 47 Episode 10 Length 02:47 Premiere: 05/13/20

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Specials

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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Chasing Pluto - S42 E13

Premiered On: 07/15/2015

The New Horizon's spacecraft will fly by and take the first detailed images of Pluto. It is the culmination of the spacecraft's nine-year, three-billion-mile journey.

  • Wednesday July 22, 2026 9:00 pm ET on KET
  • Wednesday July 22, 2026 8:00 pm CT on KET
  • Thursday July 23, 2026 5:00 pm ET on KET
  • Thursday July 23, 2026 4:00 pm CT on KET
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  • Friday July 24, 2026 1:00 am CT on KET
  • Sunday July 26, 2026 7:00 pm ET on KET2
  • Sunday July 26, 2026 6:00 pm CT on KET2
  • Tuesday July 28, 2026 1:00 am ET on KET2
  • Tuesday July 28, 2026 12:00 am CT on KET2

Pluto and Beyond - S46 E1

Premiered On: 01/02/2019

Join the mission as the New Horizons spacecraft attempts to fly by NASA's most distant target yet. Since it explored Pluto in 2015, New Horizons is zooming toward Ultima Thule, an object four billion miles from Earth.

  • Wednesday July 29, 2026 9:00 pm ET on KET
  • Wednesday July 29, 2026 8:00 pm CT on KET
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  • Sunday August 2, 2026 7:00 pm ET on KET2
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  • Tuesday August 4, 2026 1:00 am ET on KET2
  • Tuesday August 4, 2026 12:00 am CT on KET2

Return to the Moon - S53 E8

Follow the Artemis II engineers and crew on a perilous 10-day journey to orbit the Moon.

  • Wednesday August 5, 2026 9:00 pm ET on KET
  • Wednesday August 5, 2026 8:00 pm CT on KET
  • Thursday August 6, 2026 5:00 pm ET on KET
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  • Friday August 7, 2026 1:00 am CT on KET
  • Thursday August 13, 2026 4:30 pm ET on KET
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Human: Origins - S52 E12

Trace the remarkable origins of Homo sapiens and the crucial moments that shaped our species.

  • Wednesday August 19, 2026 9:00 pm ET on KET
  • Wednesday August 19, 2026 8:00 pm CT on KET
  • Thursday August 20, 2026 5:00 pm ET on KET
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  • Friday August 21, 2026 2:00 am ET on KET
  • Friday August 21, 2026 1:00 am CT on KET
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Black Hole Universe - S45 E2

  • Tuesday July 21, 2026 1:00 am ET on KET2
  • Tuesday July 21, 2026 12:00 am CT on KET2
  • Sunday July 19, 2026 7:00 pm ET on KET2
  • Sunday July 19, 2026 6:00 pm CT on KET2
  • Friday July 17, 2026 2:00 am ET on KET
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  • Wednesday July 15, 2026 9:00 pm ET on KET
  • Wednesday July 15, 2026 8:00 pm CT on KET

Black Hole Apocalypse - S45 E1

  • Tuesday July 14, 2026 1:00 am ET on KET2
  • Tuesday July 14, 2026 12:00 am CT on KET2
  • Sunday July 12, 2026 7:00 pm ET on KET2
  • Sunday July 12, 2026 6:00 pm CT on KET2
  • Friday July 10, 2026 2:00 am ET on KET
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  • Wednesday July 8, 2026 9:00 pm ET on KET
  • Wednesday July 8, 2026 8:00 pm CT on KET

Revolutionary War Weapons - S52 E7

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

Athens: Birth of Democracy - S53 E7

  • Friday July 3, 2026 1:00 am ET on KET
  • Friday July 3, 2026 12:00 am CT on KET
  • Thursday July 2, 2026 4:00 pm ET on KET
  • Thursday July 2, 2026 3:00 pm CT on KET
  • Wednesday July 1, 2026 8:00 pm ET on KET
  • Wednesday July 1, 2026 7:00 pm CT on KET

Ancient Desert Death Trap - S52 E17

  • Tuesday June 30, 2026 1:00 am ET on KET2
  • Tuesday June 30, 2026 12:00 am CT on KET2
  • Sunday June 28, 2026 7:00 pm ET on KET2
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  • Wednesday June 24, 2026 8:00 pm CT on KET

Secrets of the Forest - S52 E8

  • Tuesday June 23, 2026 1:00 am ET on KET2
  • Tuesday June 23, 2026 12:00 am CT on KET2
  • Sunday June 21, 2026 7:00 pm ET on KET2
  • Sunday June 21, 2026 6:00 pm CT on KET2
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