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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 53:21 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 53:31 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 53:13 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 52:36 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 54:06 Premiere Date 04/21/21

Picture a Scientist

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

Take a Ride into a Supermassive Black Hole

Clip Length 02:41 Premiere Date 12/03/21

NOVA Universe Revealed: Black Holes Preview

Preview Length 00:30 Premiere Date 11/17/21

Sagittarius A*: The Void at the Center of our Galaxy

Clip Length 01:54 Premiere Date 11/17/21

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

This University Monitors COVID-19 Through Saliva Testing

Clip Length 06:53 Premiere Date 01/15/21

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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 before the last Ice Age.

  • Saturday March 2, 2024 12:00 pm ET on KETWORLD
  • Saturday March 2, 2024 11:00 am CT on KETWORLD

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.

  • Tuesday March 5, 2024 7:00 pm ET on KETWORLD
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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
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  • Tuesday March 12, 2024 12:00 am ET on KET2
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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
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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
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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
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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.

  • Sunday March 24, 2024 7:00 pm ET on KET2
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A.I. Revolution - S51 E5

From cancer cures to Terminator-style takeovers, leading experts explore what A.I. can - and can't - do today and what lies ahead.

  • Wednesday March 27, 2024 9:00 pm ET on KET
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Reef Rescue - S48 E4

  • Friday March 1, 2024 2:00 am ET on KET
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Forgotten Genius - S34 E3

  • Wednesday February 28, 2024 9:00 am ET on KETWORLD
  • Wednesday February 28, 2024 8:00 am CT on KETWORLD
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Hunt for the Oldest DNA - S51 E4

  • Wednesday February 28, 2024 8:00 am ET on KETWORLD
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Lee and Liza's Family Tree - S50 E18

  • Wednesday February 21, 2024 10:00 am ET on KETWORLD
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Building the Eiffel Tower - S51 E3

  • Wednesday February 21, 2024 8:00 am ET on KETWORLD
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Star Chasers of Senegal - S50 E2

  • Wednesday February 14, 2024 10:00 am ET on KETWORLD
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Easter Island Origins - S51 E2

  • Wednesday February 14, 2024 8:00 am ET on KETWORLD
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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
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When Whales Could Walk - S51 E1

  • Wednesday February 7, 2024 8:00 am ET on KETWORLD
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Iceman Reborn - S43 E5

  • Wednesday January 31, 2024 8:00 am ET on KETWORLD
  • Wednesday January 31, 2024 7:00 am CT on KETWORLD
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