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Could This Icy Moon’s Ocean Support Life?

Enceladus has jets rich in phosphates and likely hydrothermal vents in its ocean. With the key ingredients for life on its surface, the moon may serve as an incubator for life.
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Clip Season 51 Episode 11 Length 01:21 Premiere: 10/16/24

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Season 51 Episodes

Lost Tombs of Notre Dame
S51 E18 Length 53:40 Premiere Date 12/18/24

Building Stuff: Change It!
S51 E17 Length 53:40 Premiere Date 11/27/24

Building Stuff: Reach It!
S51 E16 Length 53:40 Premiere Date 11/20/24

Building Stuff: Boost It!
S51 E15 Length 53:40 Premiere Date 11/13/24

Decoding the Universe: Quantum
S51 E14 Length 53:40 Premiere Date 11/06/24

Solar System: Wandering Worlds
S51 E13 Length 53:34 Premiere Date 10/30/24

Solar System: Icy Worlds
S51 E12 Length 53:34 Premiere Date 10/23/24

Solar System: Volcano Worlds
S51 E11 Length 53:34 Premiere Date 10/16/24

Solar System: Strange Worlds
S51 E10 Length 53:34 Premiere Date 10/09/24

Solar System: Storm Worlds
S51 E9 Length 53:34 Premiere Date 10/02/24

Decoding the Universe: Cosmos
S51 E8 Length 53:38 Premiere Date 05/22/24

Secrets in Your Data
S51 E7 Length 53:40 Premiere Date 05/15/24

Great American Eclipse
S51 E6 Length 53:34 Premiere Date 04/03/24

A.I. Revolution
S51 E5 Length 53:30 Premiere Date 03/27/24

Hunt for the Oldest DNA
S51 E4 Length 53:10 Premiere Date 02/21/24

Building the Eiffel Tower
S51 E3 Length 53:15 Premiere Date 02/14/24

Easter Island Origins
S51 E2 Length 53:17 Premiere Date 02/07/24

When Whales Could Walk
S51 E1 Length 53:31 Premiere Date 01/31/24

Solar System: Volcano Worlds Preview
Preview Length 00:30 Premiere Date 10/16/24

This Tiny Moon Is a Volcanic Powerhouse
Clip Length 02:45 Premiere Date 10/16/24

Enceladus: A Frozen Moon With Explosive Eruptions
Clip Length 01:56 Premiere Date 10/16/24

Could This Icy Moon’s Ocean Support Life?
Clip Length 01:21 Premiere Date 10/16/24

Total Eclipse in the Heart of Texas Hill Country
Clip Length 06:41 Premiere Date 06/03/24

Are winters getting less snowy?
Clip Length 04:49 Premiere Date 05/03/24

New map of the universe hints that dark energy may be evolving
Clip Length 03:00 Premiere Date 05/03/24

How America watched the solar eclipse
Clip Length 02:13 Premiere Date 04/12/24

How to watch the eclipse without burning your eyes
Clip Length 01:59 Premiere Date 04/01/24

The discovery of worlds beyond our solar system
Clip Length 01:39 Premiere Date 03/25/24

Rare stellar explosion will ignite a "new star"
Clip Length 01:17 Premiere Date 03/25/24

The force that makes up more than half of the universe
Clip Length 01:40 Premiere Date 03/12/24

How parrots swing like monkeys
Clip Length 01:36 Premiere Date 02/15/24

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Your Brain: Perception Deception - S50 E9

Join neuroscientist Heather Berlin on a quest to understand how your brain shapes your reality, and why you can't always trust what you perceive. Learn the surprising tricks and shortcuts the brain takes to help us survive.

  • Sunday April 5, 2026 7:00 pm ET on KET2
  • Sunday April 5, 2026 6:00 pm CT on KET2
  • Tuesday April 7, 2026 1:00 am ET on KET2
  • Tuesday April 7, 2026 12:00 am CT on KET2

Your Brain: Who's in Control? - S50 E10

Dive into the latest research on the subconscious to see what's really driving the decisions you make.

  • Wednesday April 8, 2026 9:00 pm ET on KET
  • Wednesday April 8, 2026 8:00 pm CT on KET
  • Thursday April 9, 2026 5:00 pm ET on KET
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  • Tuesday April 14, 2026 1:00 am ET on KET2
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Athens: Birth of Democracy - S53 E7

Archaeologists investigate the dramatic origins of democracy in ancient Greece 2,500 years ago. Mass graves and ancient ruins where tyrants were murdered shine new light on the birth of a revolutionary form of government.

  • Wednesday April 15, 2026 9:00 pm ET on KET
  • Wednesday April 15, 2026 8:00 pm CT on KET
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  • Thursday April 16, 2026 4:00 pm CT on KET
  • Friday April 17, 2026 2:00 am ET on KET
  • Friday April 17, 2026 1:00 am CT on KET
  • Sunday April 19, 2026 7:00 pm ET on KET2
  • Sunday April 19, 2026 6:00 pm CT on KET2
  • Tuesday April 21, 2026 1:00 am ET on KET2
  • Tuesday April 21, 2026 12:00 am CT on KET2

Rain Bombs - S53 E5

Scientists race to understand catastrophic weather events known as "rain bombs" and how we can protect ourselves from their growing power.

  • Wednesday April 22, 2026 9:00 pm ET on KET
  • Wednesday April 22, 2026 8:00 pm CT on KET
  • Thursday April 23, 2026 5:00 pm ET on KET
  • Thursday April 23, 2026 4:00 pm CT on KET
  • Friday April 24, 2026 2:00 am ET on KET
  • Friday April 24, 2026 1:00 am CT on KET
  • Sunday April 26, 2026 7:00 pm ET on KET2
  • Sunday April 26, 2026 6:00 pm CT on KET2
  • Tuesday April 28, 2026 1:00 am ET on KET2
  • Tuesday April 28, 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 April 29, 2026 9:00 pm ET on KET
  • Wednesday April 29, 2026 8:00 pm CT on KET
  • Thursday April 30, 2026 5:00 pm ET on KET
  • Thursday April 30, 2026 4:00 pm CT on KET
  • Friday May 1, 2026 2:00 am ET on KET
  • Friday May 1, 2026 1:00 am CT on KET
  • Sunday May 3, 2026 7:00 pm ET on KET2
  • Sunday May 3, 2026 6:00 pm CT on KET2
  • Tuesday May 5, 2026 1:00 am ET on KET2
  • Tuesday May 5, 2026 12:00 am CT on KET2
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Your Brain: Perception Deception - S50 E9

  • Friday April 3, 2026 2:00 am ET on KET
  • Friday April 3, 2026 1:00 am CT on KET
  • Thursday April 2, 2026 5:00 pm ET on KET
  • Thursday April 2, 2026 4:00 pm CT on KET
  • Wednesday April 1, 2026 9:27 pm ET on KET
  • Wednesday April 1, 2026 8:27 pm CT on KET

Baltimore Bridge Collapse - S52 E6

  • Tuesday March 31, 2026 5:00 am ET on KET2
  • Tuesday March 31, 2026 4:00 am CT on KET2
  • Tuesday March 31, 2026 12:00 am ET on KET2
  • Monday March 30, 2026 11:00 pm CT on KET2
  • Sunday March 29, 2026 7:00 pm ET on KET2
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  • Friday March 27, 2026 2:00 am ET on KET
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  • Wednesday March 25, 2026 9:00 pm ET on KET
  • Wednesday March 25, 2026 8:00 pm CT on KET

Pompeii's Secret Underworld - S52 E5

  • Tuesday March 24, 2026 5:00 am ET on KET2
  • Tuesday March 24, 2026 4:00 am CT on KET2
  • Tuesday March 24, 2026 12:00 am ET on KET2
  • Monday March 23, 2026 11:00 pm CT on KET2
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  • Wednesday March 18, 2026 8:00 pm CT on KET

The Planets: Mars - S46 E13

  • Thursday March 12, 2026 4:30 pm ET on KET
  • Thursday March 12, 2026 3:30 pm CT on KET

Stone Age Temple Mystery - S53 E6

  • Tuesday March 3, 2026 5:00 am ET on KET2
  • Tuesday March 3, 2026 4:00 am CT on KET2
  • Tuesday March 3, 2026 12:00 am ET on KET2
  • Monday March 2, 2026 11:00 pm CT on KET2
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