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Season 48 Episodes

Ancient Maya Metropolis
S48 E22 Length 53:31 Premiere Date 01/26/22

Alaskan Dinosaurs
S48 E21 Length 53:32 Premiere Date 01/19/22

Butterfly Blueprints
S48 E20 Length 53:31 Premiere Date 01/12/22

NOVA Universe Revealed: Big Bang
S48 E19 Length 53:16 Premiere Date 11/24/21

NOVA Universe Revealed: Black Holes
S48 E18 Length 53:16 Premiere Date 11/17/21

NOVA Universe Revealed: Alien Worlds
S48 E17 Length 53:17 Premiere Date 11/10/21

NOVA Universe Revealed: Milky Way
S48 E16 Length 53:17 Premiere Date 11/03/21

NOVA Universe Revealed: Age of Stars
S48 E15 Length 53:17 Premiere Date 10/27/21

Edible Insects
S48 E14 Length 53:28 Premiere Date 10/20/21

Arctic Drift
S48 E13 Length 53:32 Premiere Date 10/13/21

Particles Unknown
S48 E12 Length 53:28 Premiere Date 10/06/21

The Cannabis Question
S48 E11 Length 53:36 Premiere Date 09/29/21

Bat Superpowers
S48 E10 Length 53:23 Premiere Date 09/15/21

Ship That Changed the World
S48 E9 Length 53:12 Premiere Date 06/02/21

High-Risk High-Rise
S48 E8 Length 53:00 Premiere Date 01/05/22

Great Electric Airplane Race
S48 E7 Length 53:07 Premiere Date 05/26/21

Hindenburg: The New Evidence
S48 E6 Length 53:13 Premiere Date 05/19/21

Fighting for Fertility
S48 E5 Length 53:06 Premiere Date 05/12/21

Reef Rescue
S48 E4 Length 53:21 Premiere Date 04/21/21

Picture a Scientist
S48 E3 Length 1:33:06 Premiere Date 04/14/21

Looking for Life on Mars
S48 E2 Length 53:46 Premiere Date 02/24/21

Secrets in our DNA
S48 E1 Length 53:26 Premiere Date 01/13/21

LIDAR Technology Helps Uncover a Maya Metropolis
Clip Length 03:09 Premiere Date 02/08/22

Ancient Maya Metropolis Preview
Preview Length 00:30 Premiere Date 01/26/22

These Artifacts and Foods Tie Modern Maya to the Past
Clip Length 04:04 Premiere Date 01/26/22

GameStop, Reddit, and the Rise of Risky Trades
Clip Length 08:35 Premiere Date 04/27/21

Texas' Power Grid Trouble is Far From Over
Clip Length 08:23 Premiere Date 03/20/21

The Big Lie about Monarch Butterflies
Clip Length 09:25 Premiere Date 03/15/21

Origins of Misinformation and How it Spreads
Clip Length 05:47 Premiere Date 03/15/21

How Mask-Wearing Misinformation Became a Reality
Clip Length 05:38 Premiere Date 02/23/21

Dream Hacking: Decisions, Addictions, and Sleep
Clip Length 14:34 Premiere Date 02/18/21

Why Misinformation Matters
Clip Length 02:41 Premiere Date 02/11/21

Lingering Symptoms from COVID-19 are “Unprecedented”
Clip Length 05:05 Premiere Date 02/04/21

New COVID-19 Variants Spread More Easily
Clip Length 07:15 Premiere Date 02/04/21

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Operation Lighthouse Rescue - S43 E13

Premiered On: 05/04/2016

Engineers race to rescue the Gay Head Lighthouse, a historic landmark perched high on the cliffs of Martha's Vineyard, soon to become the next victim of the ocean's erosion of the island's cliffs.

  • Wednesday June 7, 2023 9:00 pm ET on KET
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  • Tuesday June 13, 2023 12:00 am ET on KET2
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Back to the Moon - S46 E11

Premiered On: 07/10/2019

Fifty years after humans first set foot on the Moon, new scientific discoveries are fueling excitement for a return to the lunar surface. Scientists and engineers are working to make life on the Moon a reality.

  • Wednesday June 14, 2023 9:00 pm ET on KET
  • Wednesday June 14, 2023 8:00 pm CT on KET
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  • Sunday June 18, 2023 7:00 pm ET on KET2
  • Sunday June 18, 2023 6:00 pm CT on KET2
  • Monday June 19, 2023 5:00 am ET on KET2
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  • Tuesday June 20, 2023 12:00 am ET on KET2
  • Monday June 19, 2023 11:00 pm CT on KET2

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 June 21, 2023 9:00 pm ET on KET
  • Wednesday June 21, 2023 8:00 pm CT on KET
  • Thursday June 22, 2023 5:00 pm ET on KET
  • Thursday June 22, 2023 4:00 pm CT on KET
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  • Tuesday June 27, 2023 12:00 am ET on KET2
  • Monday June 26, 2023 11:00 pm CT on KET2

Ice Age Footprints - S49 E8

Thousands of prehistoric footprints in New Mexico's White Sands National Park capture moments when Ice Age humans crossed paths with enormous ground sloths and mammoths.

  • Wednesday June 28, 2023 9:00 pm ET on KET
  • Wednesday June 28, 2023 8:00 pm CT on KET
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  • Sunday July 2, 2023 7:00 pm ET on KET2
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Emperor's Ghost Army - S41 E20

Premiered On: 11/12/2014

The program reveals the secrets of China's Terracotta Army, built to serve its first emperor, Qin Shi Huang Di in the afterlife, and brings to life the startlingly sophisticated world of Qin's legendary empire.

  • Wednesday June 28, 2023 10:00 pm ET on KET
  • Wednesday June 28, 2023 9:00 pm CT on KET
  • Friday June 30, 2023 3:00 am ET on KET
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The Planets: Inner Worlds - S46 E12

Premiered On: 07/24/2019

The rocky planets - Mercury, Venus, Earth, and Mars - were born of similar material around the same time, yet only one supports life. Were Earth's neighbors always so extreme? Is there somewhere else in the solar system where life might flourish?

  • Wednesday July 5, 2023 10:00 pm ET on KET
  • Wednesday July 5, 2023 9:00 pm CT on KET
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Why Ships Crash - S49 E9

  • Tuesday June 6, 2023 12:00 am ET on KET2
  • Monday June 5, 2023 11:00 pm CT on KET2
  • Monday June 5, 2023 5:00 am ET on KET2
  • Monday June 5, 2023 4:00 am CT on KET2
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Your Brain: Who's in Control? - S50 E10

  • Wednesday May 31, 2023 8:00 am ET on KETWORLD
  • Wednesday May 31, 2023 7:00 am CT on KETWORLD
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Your Brain: Perception Deception - S50 E9

  • Wednesday May 24, 2023 8:00 am ET on KETWORLD
  • Wednesday May 24, 2023 7:00 am CT on KETWORLD
  • Wednesday May 24, 2023 12:00 am ET on KETWORLD
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Hidden Volcano Abyss - S50 E8

  • Wednesday May 17, 2023 8:00 am ET on KETWORLD
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  • Wednesday May 10, 2023 9:00 pm ET on KET
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Saving the Right Whale - S50 E7

  • Wednesday May 10, 2023 8:00 am ET on KETWORLD
  • Wednesday May 10, 2023 7:00 am CT on KETWORLD
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