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Season 50 Episodes

Lee and Liza's Family Tree

S50 E18 Length 53:31 Premiere Date 11/22/23

The Battle to Beat Malaria

S50 E17 Length 53:54 Premiere Date 11/15/23

Inside China's Tech Boom

S50 E16 Length 53:19 Premiere Date 11/08/23

Ancient Earth: Humans

S50 E15 Length 53:15 Premiere Date 11/01/23

Ancient Earth: Inferno

S50 E14 Length 53:45 Premiere Date 10/25/23

Ancient Earth: Life Rising

S50 E13 Length 53:47 Premiere Date 10/18/23

Ancient Earth: Frozen

S50 E12 Length 53:46 Premiere Date 10/11/23

Ancient Earth: Birth of the Sky

S50 E11 Length 53:47 Premiere Date 10/04/23

Your Brain: Who's in Control?

S50 E10 Length 53:31 Premiere Date 05/24/23

Your Brain: Perception Deception

S50 E9 Length 53:30 Premiere Date 05/17/23

Hidden Volcano Abyss

S50 E8 Length 53:20 Premiere Date 05/10/23

Saving the Right Whale

S50 E7 Length 53:31 Premiere Date 05/03/23

Chasing Carbon Zero

S50 E6 Length 53:31 Premiere Date 04/26/23

Weathering the Future

S50 E5 Length 53:31 Premiere Date 04/12/23

New Eye on the Universe

S50 E4 Length 53:31 Premiere Date 02/22/23

Ancient Builders of the Amazon

S50 E3 Length 53:22 Premiere Date 02/15/23

Star Chasers of Senegal

S50 E2 Length 53:20 Premiere Date 02/08/23

London Super Tunnel

S50 E1 Length 53:20 Premiere Date 02/01/23

How Life Survived When Earth Was Covered in Ice

Clip Length 03:06 Premiere Date 10/11/23

How To Film Great Video With A Phone | NOVA Science Studio

Clip Length 03:54 Premiere Date 09/28/23

Introducing the NOVA Science Studio Program

Clip Length 02:42 Premiere Date 09/28/23

Rare Fossil Appears to Show Mammal Attacking Dinosaur

Clip Length 03:26 Premiere Date 07/28/23

The nation’s first big offshore wind farm is coming

Clip Length 05:22 Premiere Date 07/21/23

What Made the Titan Submersible Design Unconventional?

Clip Length 05:05 Premiere Date 07/03/23

Could Whale Poop Help Cool the Planet?

Clip Length 02:43 Premiere Date 05/12/23

This Fungus Is Spreading Rapidly in Hospitals

Clip Length 03:24 Premiere Date 04/24/23

There’s Something Living in Wildfire Smoke

Clip Length 01:59 Premiere Date 04/11/23

How the West Is Making It Rain, With Science

Clip Length 06:22 Premiere Date 04/10/23

Soothing Science: The Light You See at Sunset

Clip Length 08:01 Premiere Date 04/04/23

The Mystery and Physics of the Spiral Football Pass

Clip Length 03:43 Premiere Date 02/13/23

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Building the Eiffel Tower - S51 E3

Explore the three decades of engineering, innovations, successes and failures that led to the creation of the Eiffel Tower in Paris.

  • Wednesday February 21, 2024 12:00 am ET on KETWORLD
  • Tuesday February 20, 2024 11:00 pm CT on KETWORLD
  • Wednesday February 21, 2024 8:00 am ET on KETWORLD
  • Wednesday February 21, 2024 7:00 am CT on KETWORLD

Lee and Liza's Family Tree - S50 E18

With the help of scientists and genealogists, filmmaker Byron Hurt and his family members search for their ancestors. Follow their journey as they hunt for new details of a history long obscured by the enduring legacy of slavery.

  • Wednesday February 21, 2024 2:00 am ET on KETWORLD
  • Wednesday February 21, 2024 1:00 am CT on KETWORLD
  • Wednesday February 21, 2024 10:00 am ET on KETWORLD
  • Wednesday February 21, 2024 9:00 am CT on KETWORLD

Hunt for the Oldest DNA - S51 E4

Scientists discover the oldest DNA ever found and reveal the genes of long-extinct creatures that once thrived in the Arctic.

  • Wednesday February 21, 2024 9:00 pm ET on KET
  • Wednesday February 21, 2024 8:00 pm CT on KET
  • Thursday February 22, 2024 5:00 pm ET on KET
  • Thursday February 22, 2024 4:00 pm CT on KET
  • Friday February 23, 2024 2:00 am ET on KET
  • Friday February 23, 2024 1:00 am CT on KET
  • Sunday February 25, 2024 7:00 pm ET on KET2
  • Sunday February 25, 2024 6:00 pm CT on KET2
  • Tuesday February 27, 2024 12:00 am ET on KET2
  • Monday February 26, 2024 11:00 pm CT on KET2

Reef Rescue - S48 E4

Premiered On: 04/21/2021

Scientists from around the world are rushing to help corals adapt to a changing climate through assisted evolution.

  • Wednesday February 28, 2024 9:00 pm ET on KET
  • Wednesday February 28, 2024 8:00 pm CT on KET
  • Thursday February 29, 2024 5:00 pm ET on KET
  • Thursday February 29, 2024 4:00 pm CT on KET
  • Friday March 1, 2024 2:00 am ET on KET
  • Friday March 1, 2024 1:00 am CT on KET

The Great Electric Airplane Race - S48 E7

Premiered On: 05/26/2021

The program explores emission-free electric planes on the horizon and some impressive prototypes already in the air.

  • Thursday March 7, 2024 5:00 pm ET on KET
  • Thursday March 7, 2024 4:00 pm CT on KET
  • Tuesday March 12, 2024 12:00 am ET on KET2
  • Monday March 11, 2024 11:00 pm CT on KET2

Arctic Sinkholes - S49 E1

Scientists investigate colossal explosions in Siberia and other evidence that rapidly melting soil in the Arctic is releasing vast amounts of methane, a potent greenhouse gas.

  • Thursday March 14, 2024 5:00 pm ET on KET
  • Thursday March 14, 2024 4:00 pm CT on KET

Hidden Volcano Abyss - S50 E8

In January 2022, one of the most powerful volcanic eruptions in recorded history rocked the islands of Tonga. Join scientists as they investigate what caused the blast, how it spurred a devastating tsunami and if another eruption could be imminent.

  • Friday March 15, 2024 4:00 pm ET on KET
  • Friday March 15, 2024 3:00 pm CT on KET
  • Sunday March 17, 2024 7:00 pm ET on KET2
  • Sunday March 17, 2024 6:00 pm CT on KET2
  • Tuesday March 19, 2024 12:00 am ET on KET2
  • Monday March 18, 2024 11:00 pm CT on KET2
  • Tuesday March 19, 2024 5:01 am ET on KET2
  • Tuesday March 19, 2024 4:01 am CT on KET2

Polar Extremes - S47 E1

Premiered On: 02/05/2020

Uncover the bizarre history of the poles, from miles-high ice sheets to warm polar forests teeming with life.

  • Wednesday March 20, 2024 9:00 pm ET on KET
  • Wednesday March 20, 2024 8:00 pm CT on KET
  • Thursday March 21, 2024 4:00 pm ET on KET
  • Thursday March 21, 2024 3:00 pm CT on KET
  • Friday March 22, 2024 2:00 am ET on KET
  • Friday March 22, 2024 1:00 am CT on KET
Jump to Upcoming Airdates

Recent

Lee and Liza's Family Tree - S50 E18

  • Tuesday February 20, 2024 9:00 pm ET on KETWORLD
  • Tuesday February 20, 2024 8:00 pm CT on KETWORLD

Building the Eiffel Tower - S51 E3

  • Tuesday February 20, 2024 7:00 pm ET on KETWORLD
  • Tuesday February 20, 2024 6:00 pm CT on KETWORLD
  • Tuesday February 20, 2024 12:00 am ET on KET2
  • Monday February 19, 2024 11:00 pm CT on KET2
  • Sunday February 18, 2024 7:00 pm ET on KET2
  • Sunday February 18, 2024 6:00 pm CT on KET2
  • Friday February 16, 2024 2:00 am ET on KET
  • Friday February 16, 2024 1:00 am CT on KET
  • Thursday February 15, 2024 5:00 pm ET on KET
  • Thursday February 15, 2024 4:00 pm CT on KET
  • Wednesday February 14, 2024 9:00 pm ET on KET
  • Wednesday February 14, 2024 8:00 pm CT on KET

Star Chasers of Senegal - S50 E2

  • Wednesday February 14, 2024 10:00 am ET on KETWORLD
  • Wednesday February 14, 2024 9:00 am CT on KETWORLD
  • Wednesday February 14, 2024 2:00 am ET on KETWORLD
  • Wednesday February 14, 2024 1:00 am CT on KETWORLD
  • Tuesday February 13, 2024 9:00 pm ET on KETWORLD
  • Tuesday February 13, 2024 8:00 pm CT on KETWORLD

Easter Island Origins - S51 E2

  • Wednesday February 14, 2024 8:00 am ET on KETWORLD
  • Wednesday February 14, 2024 7:00 am CT on KETWORLD
  • Wednesday February 14, 2024 12:00 am ET on KETWORLD
  • Tuesday February 13, 2024 11:00 pm CT on KETWORLD
  • Tuesday February 13, 2024 7:00 pm ET on KETWORLD
  • Tuesday February 13, 2024 6:00 pm CT on KETWORLD
  • Tuesday February 13, 2024 12:00 am ET on KET2
  • Monday February 12, 2024 11:00 pm CT on KET2
  • Sunday February 11, 2024 7:00 pm ET on KET2
  • Sunday February 11, 2024 6:00 pm CT on KET2
  • Friday February 9, 2024 2:00 am ET on KET
  • Friday February 9, 2024 1:00 am CT on KET
  • Thursday February 8, 2024 5:00 pm ET on KET
  • Thursday February 8, 2024 4:00 pm CT on KET
  • Wednesday February 7, 2024 9:00 pm ET on KET
  • Wednesday February 7, 2024 8:00 pm CT on KET

Hindenburg: The New Evidence - S48 E6

  • Wednesday February 7, 2024 10:00 am ET on KETWORLD
  • Wednesday February 7, 2024 9:00 am CT on KETWORLD
  • Wednesday February 7, 2024 2:00 am ET on KETWORLD
  • Wednesday February 7, 2024 1:00 am CT on KETWORLD
  • Tuesday February 6, 2024 9:00 pm ET on KETWORLD
  • Tuesday February 6, 2024 8:00 pm CT on KETWORLD

When Whales Could Walk - S51 E1

  • Wednesday February 7, 2024 8:00 am ET on KETWORLD
  • Wednesday February 7, 2024 7:00 am CT on KETWORLD
  • Wednesday February 7, 2024 12:00 am ET on KETWORLD
  • Tuesday February 6, 2024 11:00 pm CT on KETWORLD
  • Tuesday February 6, 2024 7:00 pm ET on KETWORLD
  • Tuesday February 6, 2024 6:00 pm CT on KETWORLD
  • Tuesday February 6, 2024 12:00 am ET on KET2
  • Monday February 5, 2024 11:00 pm CT on KET2
  • Sunday February 4, 2024 7:00 pm ET on KET2
  • Sunday February 4, 2024 6:00 pm CT on KET2
  • Friday February 2, 2024 2:00 am ET on KET
  • Friday February 2, 2024 1:00 am CT on KET
  • Thursday February 1, 2024 5:00 pm ET on KET
  • Thursday February 1, 2024 4:00 pm CT on KET
  • Wednesday January 31, 2024 9:00 pm ET on KET
  • Wednesday January 31, 2024 8:00 pm CT on KET

Iceman Reborn - S43 E5

  • Wednesday January 31, 2024 8:00 am ET on KETWORLD
  • Wednesday January 31, 2024 7:00 am CT on KETWORLD
  • Wednesday January 31, 2024 12:00 am ET on KETWORLD
  • Tuesday January 30, 2024 11:00 pm CT on KETWORLD
  • Tuesday January 30, 2024 7:00 pm ET on KETWORLD
  • Tuesday January 30, 2024 6:00 pm CT on KETWORLD
  • Tuesday January 30, 2024 12:00 am ET on KET2
  • Monday January 29, 2024 11:00 pm CT on KET2
  • Sunday January 28, 2024 7:00 pm ET on KET2
  • Sunday January 28, 2024 6:00 pm CT on KET2
  • Friday January 26, 2024 2:00 am ET on KET
  • Friday January 26, 2024 1:00 am CT on KET
  • Thursday January 25, 2024 5:00 pm ET on KET
  • Thursday January 25, 2024 4:00 pm CT on KET
  • Wednesday January 24, 2024 9:00 pm ET on KET
  • Wednesday January 24, 2024 8:00 pm CT on KET

Ultimate Space Telescope - S49 E10

  • Wednesday January 24, 2024 8:00 am ET on KETWORLD
  • Wednesday January 24, 2024 7:00 am CT on KETWORLD
  • Wednesday January 24, 2024 12:00 am ET on KETWORLD
  • Tuesday January 23, 2024 11:00 pm CT on KETWORLD
  • Tuesday January 23, 2024 7:00 pm ET on KETWORLD
  • Tuesday January 23, 2024 6:00 pm CT on KETWORLD
  • Tuesday January 23, 2024 12:00 am ET on KET2
  • Monday January 22, 2024 11:00 pm CT on KET2
  • Sunday January 21, 2024 7:00 pm ET on KET2
  • Sunday January 21, 2024 6:00 pm CT on KET2
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