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Ancient Earth: Inferno

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Season 50 Episodes

Lee and Liza's Family Tree
S50 E18 Length 53:30 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 53:20 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

Hidden Volcano Abyss
S50 E8 Length 53:19 Premiere Date 05/10/23

Ancient Earth: Inferno Preview
Preview Length 00:30 Premiere Date 10/25/23

The Catastrophe That Killed 90% Of Earth’s Species
Clip Length 01:34 Premiere Date 10/25/23

How To Film Great Video With A Phone | NOVA Science Studio
Clip Length 03:54 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

Astronaut Walter Cunningham on the Historic Apollo 7 Mission
Clip Length 32:26 Premiere Date 01/25/23

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Can Dogs Talk? - S53 E3

Scientists conduct the largest animal communication study in history to see if innovative word buttons truly enable dogs to talk.

  • Sunday June 7, 2026 7:00 pm ET on KET2
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Alaskan Dinosaurs - S48 E21

Wielding chainsaws to extract fossils frozen into the permafrost and flying drones to map thousands of footprints, intrepid paleontologists discover that dinosaurs thrived in the cold and dark of the Arctic Circle.

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Secrets of the Forest - S52 E8

Scientists gather data on how forests work and try to figure out how they can help tackle the twin threats of climate change and species extinction.

  • Wednesday June 17, 2026 9:00 pm ET on KET
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Ancient Desert Death Trap - S52 E17

Archaeologists investigate strange Stone Age megastructures in the Arabian desert, built by a mysterious people 9000 years ago.

  • Wednesday June 24, 2026 9:00 pm ET on KET
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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 July 1, 2026 8:00 pm ET on KET
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Revolutionary War Weapons - S52 E7

American and British archaeologists and historians reveal the technology, innovation and luck that determined the outcomes of key battles of the Revolutionary War.

  • Wednesday July 1, 2026 9:00 pm ET on KET
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Black Hole Apocalypse - S45 E1

Premiered On: 01/10/2018

Join astrophysicist and novelist Janna Levin on a mind-blowing voyage to the frontiers of black hole science, which is shining new light on the most powerful and mysterious objects in the universe.

  • Wednesday July 8, 2026 9:00 pm ET on KET
  • Wednesday July 8, 2026 8:00 pm CT on KET
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Great Mammoth Mystery - S49 E3

  • Tuesday June 2, 2026 1:00 am ET on KET2
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When Whales Could Walk - S51 E1

  • Tuesday May 26, 2026 1:00 am ET on KET2
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Decoding the Universe: Quantum - S51 E14

  • Tuesday May 19, 2026 1:00 am ET on KET2
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Decoding the Universe: Cosmos - S51 E8

  • Tuesday May 12, 2026 1:00 am ET on KET2
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