Nature's Fear Factor Preview

For animals in Mozambique’s Gorongosa National Park, the normal balance of competition and predation was upended when a war wiped out the top predators. The remaining animals didn’t simply grow in numbers—they began behaving in unusual ways, veering outside their typical territories and feeding patterns.

Preview Season 47 Episode 9 Length 00:27 Premiere: 10/14/20

Recent 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

Clips & Previews

Nature's Fear Factor Preview

Preview Length 00:27 Premiere Date 10/14/20

Meet Gorongosa National Park’s Head Veterinarian

Clip Length 08:18 Premiere Date 10/14/20

Lions Return to Mozambique's Gorongosa National Park

Clip Length 06:00 Premiere Date 10/14/20

The Anatomy of an African Wild Dog Hunt

Clip Length 06:50 Premiere Date 10/14/20

The Anatomy of an African Wild Dog Hunt

Clip Length 06:50 Premiere Date 10/14/20

How Communities Can Adapt to Climate Change

Clip Length 03:59 Premiere Date 06/29/20

Can Geoengineering “Undo” Climate Change?

Clip Length 04:41 Premiere Date 06/24/20

Cutting our Greenhouse Gas Emissions to Zero

Clip Length 04:52 Premiere Date 06/19/20

Three Solutions That Can Slow or Stop Climate Change

Clip Length 04:21 Premiere Date 06/04/20

What is it Like to Live in Antarctica?

Clip Length 09:41 Premiere Date 02/26/20

Why is this Antarctic Glacier “Bleeding?”

Clip Length 10:00 Premiere Date 02/11/20

How Antarctica’s Cutest Baby Seals Grow Up

Clip Length 10:50 Premiere Date 02/05/20

Antarctica: Journey to the Bottom of the Earth

Clip Length 14:11 Premiere Date 01/29/20

Specials

Picture a Scientist (with Audio Description)

Length 1:52:37 Premiere Date 04/14/21

Beyond the Elements: Life (with Audio Description)

Length 53:17 Premiere Date 02/17/21

Beyond the Elements: Indestructible (with Audio Description)

Length 53:17 Premiere Date 02/10/21

Beyond the Elements: Reactions (with Audio Description)

Length 53:17 Premiere Date 02/03/21

Secrets in our DNA (with Audio Description)

Length 53:26 Premiere Date 01/13/21

Treasures Metals Eiffel Tower

Length 02:09 Premiere Date 12/09/16

A Labyrinth of Lava

Length 01:13 Premiere Date 11/02/15

No Dinosaurs Above the Line

Length 02:00 Premiere Date 10/22/15

Mammal Survivors

Length 01:40 Premiere Date 10/22/15

Dinosaur Fossils

Length 01:53 Premiere Date 10/22/15

King of Gore

Length 02:00 Premiere Date 10/22/15

Driving Dinosaur Diversity

Length 01:47 Premiere Date 10/22/15

Pangea

Length 00:56 Premiere Date 10/22/15

Making Granite From Volcanic Rock

Length 02:16 Premiere Date 10/22/15

A Massive Volcanic Eruption

Length 01:14 Premiere Date 10/22/15

From Mud to Rock

Length 01:36 Premiere Date 10/22/15

Finding Stromatolites

Length 01:23 Premiere Date 10/22/15

Stromatolites Were Kings

Length 01:05 Premiere Date 10/22/15

Ancient Life

Length 00:28 Premiere Date 10/22/15

Millions of Years Captured in Chalk

Length 01:17 Premiere Date 10/22/15

A Fourteen-Foot Fish From Kansas

Length 01:38 Premiere Date 10/22/15

Hell Creek Formation

Length 01:10 Premiere Date 10/22/15

Fossilized Sand Dunes

Length 01:15 Premiere Date 10/21/15

Volcanoes of Sand

Length 01:33 Premiere Date 10/21/15

Rockies 2.0

Length 02:00 Premiere Date 10/21/15

Manhattan Schist

Length 01:13 Premiere Date 10/21/15

Manhattan Skyline

Length 00:52 Premiere Date 10/21/15

New York's Mountains

Length 01:13 Premiere Date 10/21/15

Rock Time Capsules

Length 01:18 Premiere Date 10/21/15

The Sandstone Top of the Canyon

Length 01:15 Premiere Date 10/21/15

Fossil-Filled Limestone

Length 00:54 Premiere Date 10/21/15

The Grand Canyon's Oldest Rocks

Length 00:19 Premiere Date 10/21/15

From Lava to Land

Length 02:14 Premiere Date 10/21/15

Semi-Precious Pebbles

Length 00:57 Premiere Date 10/21/15

Five Steps of Volcanic Rock

Length 00:26 Premiere Date 10/21/15

Tearing North America Apart

Length 01:01 Premiere Date 10/21/15

Mount Kilauea

Length 01:30 Premiere Date 08/02/15

Grand Canyon 1

Length 01:19 Premiere Date 08/02/15

Grand Canyon 2

Length 01:05 Premiere Date 08/02/15

Grand Canyon 3

Length 00:58 Premiere Date 08/02/15

Grand Canyon 4

Length 00:19 Premiere Date 08/02/15

Mendenhall Glacier

Length 02:51 Premiere Date 08/02/15

Monument Rocks 1

Length 01:18 Premiere Date 08/02/15

Monument Rocks 2

Length 01:48 Premiere Date 08/02/15

Exuma Cays 1

Length 01:26 Premiere Date 08/02/15

Exuma Cays 3

Length 00:28 Premiere Date 08/02/15

Exuma Cays 4

Length 03:22 Premiere Date 08/02/15

Gooseberry Falls 1

Length 00:57 Premiere Date 08/02/15

Gooseberry Falls 2

Length 00:24 Premiere Date 08/02/15

Gooseberry Falls 3

Length 01:06 Premiere Date 08/02/15

Gooseberry Falls 4

Length 01:01 Premiere Date 08/02/15

Lethal Seas Excerpt 1

Length 04:11 Premiere Date 05/12/15

Lethal Seas Excerpt 2

Length 01:00 Premiere Date 05/12/15

Lethal Seas Excerpt 3

Length 00:35 Premiere Date 05/12/15

Lethal Seas Excerpt 4

Length 00:51 Premiere Date 05/12/15

The Mother of Hubble

Length 02:28 Premiere Date 04/14/15

Formation of a Typhoon

Length 01:34 Premiere Date 06/25/14

Flatfish Larvae

Length 00:51 Premiere Date 05/06/14

RNAi Explained

Length 01:47 Premiere Date 04/22/14

Dolphin Mirror

Length 03:18 Premiere Date 04/22/14

Dogs' Sense of Time

Length 01:28 Premiere Date 04/13/14

Cockatoo Excerpt

Length 01:30 Premiere Date 04/08/14

How Solar Cells Work

Length 00:33 Premiere Date 02/26/14

Solar Power's Promise

Length 00:51 Premiere Date 02/26/14

Microneedle

Length 01:41 Premiere Date 12/30/13

GM Plants

Length 01:27 Premiere Date 11/15/13

Non-Newtonian Gel

Length 01:00 Premiere Date 11/15/13

Soft-Story Buildings

Length 07:36 Premiere Date 11/13/13

Levitation

Length 00:50 Premiere Date 10/24/13

Superconductor

Length 01:47 Premiere Date 10/24/13

Animal Robot 1

Length 02:35 Premiere Date 10/24/13

Animal Robot 2

Length 02:02 Premiere Date 10/24/13

Therapeutic Hypothermia

Length 01:11 Premiere Date 10/24/13

Therapeutic Hypothermia 2

Length 01:07 Premiere Date 10/24/13

Therapeutic Hypothermia 3

Length 01:43 Premiere Date 10/24/13

Therapeutic Hypothermia 4

Length 02:01 Premiere Date 10/24/13

Swarming Robots

Length 01:31 Premiere Date 10/21/13

Sneak Peek: Making Stuff Wilder

Length 06:14 Premiere Date 10/21/13

Virus Battery

Length 02:21 Premiere Date 10/19/13

Shelley

Length 02:07 Premiere Date 10/19/13

Robot Arm

Length 00:56 Premiere Date 10/19/13

Elephant Arm

Length 01:22 Premiere Date 10/19/13

FinGripper

Length 00:55 Premiere Date 10/19/13

Sail Wing

Length 01:02 Premiere Date 10/19/13

Hydrofoil

Length 01:01 Premiere Date 10/19/13

Chicken Feathers

Length 01:56 Premiere Date 10/19/13

KillaCycle

Length 00:48 Premiere Date 10/19/13

How Batteries Work

Length 00:49 Premiere Date 10/19/13

Muon Detection

Length 01:52 Premiere Date 10/19/13

Muons

Length 01:25 Premiere Date 10/19/13

Plants White

Length 02:11 Premiere Date 10/19/13

DNA Patch

Length 01:19 Premiere Date 10/19/13

DNA Vaccine

Length 00:38 Premiere Date 10/19/13

Earthquake Test

Length 02:03 Premiere Date 10/19/13

David Drives

Length 01:27 Premiere Date 10/19/13

Pitcher Plant

Length 01:48 Premiere Date 10/17/13

SLIPS

Length 01:01 Premiere Date 10/17/13

Hagfish

Length 00:51 Premiere Date 10/17/13

Hagfish Defense

Length 01:36 Premiere Date 10/17/13

Slime Clothes

Length 01:00 Premiere Date 10/17/13

New York City One Year Later: Telecommunications

Length 03:14 Premiere Date 10/16/13

Sneak Peek: Making Stuff Faster

Length 05:06 Premiere Date 10/15/13

David's Race

Length 01:28 Premiere Date 10/15/13

Steffen's Plan

Length 01:59 Premiere Date 10/15/13

Traveling Salesman

Length 01:21 Premiere Date 10/15/13

Eye Robot

Length 01:51 Premiere Date 10/10/13

Corkscrew Robot

Length 00:32 Premiere Date 10/10/13

Slow Goldfish

Length 01:39 Premiere Date 10/10/13

Bee Toxin

Length 01:31 Premiere Date 10/10/13

Mild Traumatic Brain Injury

Length 03:36 Premiere Date 10/07/13

Invisibility Cloak

Length 01:22 Premiere Date 09/24/13

Shape Memory Alloys

Length 00:32 Premiere Date 09/08/13

Jellyfish

Length 00:38 Premiere Date 09/08/13

Bird Wings

Length 01:56 Premiere Date 09/08/13

Shrinking Chips

Length 01:06 Premiere Date 09/05/13

Pizza Transistor

Length 01:34 Premiere Date 09/05/13

Graphene

Length 01:11 Premiere Date 09/05/13

Wheat Straw Plastic

Length 01:04 Premiere Date 08/29/13

Solar Leaves

Length 00:53 Premiere Date 08/29/13

Battle Jacket

Length 01:49 Premiere Date 08/29/13

Oobleck

Length 00:40 Premiere Date 08/29/13

Magnetic Oobleck

Length 00:54 Premiere Date 08/29/13

Life-Saving Non-Newtonian Fluids

Length 01:43 Premiere Date 08/29/13

Silicon Transistors

Length 00:50 Premiere Date 08/29/13

Starling 8

Length 00:44 Premiere Date 07/15/13

sandy-raw-5-1

Length 01:02 Premiere Date 07/08/13

sandy-raw-1-2

Length 00:04 Premiere Date 07/08/13

Chemotherapy Goes Small

Length 01:17 Premiere Date 07/01/13

The Making of a Cloud Old

Length 03:10 Premiere Date 06/30/13

Why So Many Cloud Types?

Length 03:35 Premiere Date 06/30/13

Clouds and Weather

Length 03:21 Premiere Date 06/30/13

Severe Storms

Length 03:37 Premiere Date 06/30/13

The Climate Wild Card

Length 03:02 Premiere Date 06/30/13

Life on Europa?

Length 02:25 Premiere Date 06/09/13

CloudLab_Megastorm_07

Length 03:07 Premiere Date 05/29/13

CloudLab_Megastorm_03

Length 01:41 Premiere Date 05/29/13

CloudLab_Megastorm_04

Length 01:43 Premiere Date 05/29/13

CloudLab_Megastorm_05

Length 01:04 Premiere Date 05/29/13

CloudLab_Megastorm_06

Length 00:40 Premiere Date 05/29/13

CloudLab_Megastorm_01

Length 00:35 Premiere Date 05/28/13

CloudLab_Megastorm_02

Length 00:31 Premiere Date 05/28/13

What Made the 1918 Flu So Deadly?

Length 01:28 Premiere Date 05/13/13

How the 1918 Flu Infected People

Length 00:25 Premiere Date 05/13/13

Fertilizing the Amazon

Length 03:27 Premiere Date 04/21/13

Flu Probabilities

Length 01:53 Premiere Date 04/16/13

Rare Earth Elements

Length 04:17 Premiere Date 04/01/13

CHNOPS: Ingredients for Life

Length 02:36 Premiere Date 03/12/13

Electromagnetic Spectrum

Length 00:44 Premiere Date 02/28/13

MODIS Sensor

Length 00:26 Premiere Date 02/28/13

Solving the Storage Problem

Length 02:26 Premiere Date 10/25/12

Putting Energy to Use Old

Length 02:14 Premiere Date 10/08/12

Season 47 Episodes

Show Episodes

Show Clips & Previews

Beyond the Elements: Life

S47 E19 Length 53:32 Premiere Date 02/17/21

Beyond the Elements: Indestructible

S47 E18 Length 53:30 Premiere Date 02/10/21

Beyond the Elements: Reactions

S47 E17 Length 53:31 Premiere Date 02/03/21

Human Nature

S47 E11 Length 1:33:41 Premiere Date 09/09/20

Eagle Power

S47 E7 Length 53:22 Premiere Date 05/20/20

Cat Tales

S47 E3 Length 53:21 Premiere Date 02/19/20

Dog Tales

S47 E2 Length 53:21 Premiere Date 02/12/20

Polar Extremes

S47 E1 Length 1:52:42 Premiere Date 02/05/20

Nature's Fear Factor Preview

Preview Length 00:27 Premiere Date 10/14/20

Meet Gorongosa National Park’s Head Veterinarian

Clip Length 08:18 Premiere Date 10/14/20

Lions Return to Mozambique's Gorongosa National Park

Clip Length 06:00 Premiere Date 10/14/20

The Anatomy of an African Wild Dog Hunt

Clip Length 06:50 Premiere Date 10/14/20

The Anatomy of an African Wild Dog Hunt

Clip Length 06:50 Premiere Date 10/14/20

How Communities Can Adapt to Climate Change

Clip Length 03:59 Premiere Date 06/29/20

Can Geoengineering “Undo” Climate Change?

Clip Length 04:41 Premiere Date 06/24/20

Cutting our Greenhouse Gas Emissions to Zero

Clip Length 04:52 Premiere Date 06/19/20

Three Solutions That Can Slow or Stop Climate Change

Clip Length 04:21 Premiere Date 06/04/20

What is it Like to Live in Antarctica?

Clip Length 09:41 Premiere Date 02/26/20

Why is this Antarctic Glacier “Bleeding?”

Clip Length 10:00 Premiere Date 02/11/20

How Antarctica’s Cutest Baby Seals Grow Up

Clip Length 10:50 Premiere Date 02/05/20

Antarctica: Journey to the Bottom of the Earth

Clip Length 14:11 Premiere Date 01/29/20

See All Episodes

TV Schedules

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Upcoming

Great Mammoth Mystery - S49 E3

Sir David Attenborough explores a unique site in southern England with rare traces of Ice Age mammoths and Neanderthals. How did humans survive the frigid climate and did they have the tools and talent to hunt the giant beasts?

Tuesday December 5, 2023 7:00 pm ET on KETWORLD
Tuesday December 5, 2023 6:00 pm CT on KETWORLD
Wednesday December 6, 2023 12:00 am ET on KETWORLD
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Ghosts of Stonehenge - S44 E14

Premiered On: 10/11/2017

Who built Stonehenge, and why? Groundbreaking archaeological digs have revealed major new clues about Britain's enigmatic 5,000-year-old site and the people who constructed it.

Wednesday December 6, 2023 9:00 pm ET on KET
Wednesday December 6, 2023 8:00 pm CT on KET
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Monday December 11, 2023 11:00 pm CT on KET2

The Next Pompeii - S46 E6

Premiered On: 02/20/2019

Discover Campi Flegrei, a lesser-known volcano in the shadow of Vesuvius, if it erupts, millions of lives could be at risk. Scientists explore its unique geology and develop a warning system that could prevent Naples from becoming the next Pompeii.

Wednesday December 13, 2023 9:00 pm ET on KET
Wednesday December 13, 2023 8:00 pm CT on KET
Thursday December 14, 2023 5:00 pm ET on KET
Thursday December 14, 2023 4:00 pm CT on KET
Friday December 15, 2023 2:00 am ET on KET
Friday December 15, 2023 1:00 am CT on KET
Sunday December 17, 2023 7:00 pm ET on KET2
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Monday December 18, 2023 5:00 am ET on KET2
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Tuesday December 19, 2023 12:00 am ET on KET2
Monday December 18, 2023 11:00 pm CT on KET2

Decoding the Great Pyramid - S46 E4

Premiered On: 02/06/2019

New archaeological evidence provides clues about the Egyptians who built the Great Pyramid of Giza - and how they did it.

Wednesday December 20, 2023 9:00 pm ET on KET
Wednesday December 20, 2023 8:00 pm CT on KET
Thursday December 21, 2023 5:00 pm ET on KET
Thursday December 21, 2023 4:00 pm CT on KET
Friday December 22, 2023 2:00 am ET on KET
Friday December 22, 2023 1:00 am CT on KET
Sunday December 24, 2023 7:00 pm ET on KET2
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Tuesday December 26, 2023 12:00 am ET on KET2
Monday December 25, 2023 11:00 pm CT on KET2

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.

Wednesday December 27, 2023 9:00 pm ET on KET
Wednesday December 27, 2023 8:00 pm CT on KET
Thursday December 28, 2023 5:00 pm ET on KET
Thursday December 28, 2023 4:00 pm CT on KET
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Sunday December 31, 2023 7:00 pm ET on KET2
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Monday January 1, 2024 5:00 am ET on KET2
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Tuesday January 2, 2024 12:00 am ET on KET2
Monday January 1, 2024 11:00 pm CT on KET2

Arctic Drift - S48 E13

Premiered On: 10/13/2021

Join scientists on the biggest Arctic research expedition of all time. Facing hungry polar bears, perilous sea ice cracks and brutal cold, the team strives to understand the forces that are changing the region and the world.

Wednesday January 3, 2024 9:00 pm ET on KET
Wednesday January 3, 2024 8:00 pm CT on KET

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Asteroid: Doomsday or Payday? - S40 E24

Thursday November 30, 2023 5:00 pm ET on KET
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Lee and Liza's Family Tree - S50 E18

Friday November 24, 2023 2:00 am ET on KET
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The Battle to Beat Malaria - S50 E17

Wednesday November 22, 2023 8:00 am ET on KETWORLD
Wednesday November 22, 2023 7:00 am CT on KETWORLD
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Inside China's Tech Boom - S50 E16

Wednesday November 15, 2023 8:00 am ET on KETWORLD
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Ancient Earth: Humans - S50 E15

Wednesday November 8, 2023 8:00 am ET on KETWORLD
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Top

Nature's Fear Factor Preview

Recent Episodes

Lee and Liza's Family Tree

The Battle to Beat Malaria

Inside China's Tech Boom

Ancient Earth: Humans

Ancient Earth: Inferno

Ancient Earth: Life Rising

Sponsored by:

Clips & Previews

Nature's Fear Factor Preview

Meet Gorongosa National Park’s Head Veterinarian

Lions Return to Mozambique's Gorongosa National Park

The Anatomy of an African Wild Dog Hunt

The Anatomy of an African Wild Dog Hunt

How Communities Can Adapt to Climate Change

Can Geoengineering “Undo” Climate Change?

Cutting our Greenhouse Gas Emissions to Zero

Three Solutions That Can Slow or Stop Climate Change

What is it Like to Live in Antarctica?

Why is this Antarctic Glacier “Bleeding?”

How Antarctica’s Cutest Baby Seals Grow Up

Antarctica: Journey to the Bottom of the Earth

Specials

Picture a Scientist (with Audio Description)

Beyond the Elements: Life (with Audio Description)

Beyond the Elements: Indestructible (with Audio Description)

Beyond the Elements: Reactions (with Audio Description)

Secrets in our DNA (with Audio Description)

Treasures Metals Eiffel Tower

A Labyrinth of Lava

No Dinosaurs Above the Line

Mammal Survivors

Dinosaur Fossils

King of Gore

Driving Dinosaur Diversity

Pangea

Making Granite From Volcanic Rock

A Massive Volcanic Eruption

From Mud to Rock

Finding Stromatolites

Stromatolites Were Kings

Ancient Life

Millions of Years Captured in Chalk

A Fourteen-Foot Fish From Kansas

Hell Creek Formation

Fossilized Sand Dunes

Volcanoes of Sand

Rockies 2.0

Manhattan Schist

Manhattan Skyline

New York's Mountains

Rock Time Capsules

The Sandstone Top of the Canyon

Fossil-Filled Limestone

The Grand Canyon's Oldest Rocks

From Lava to Land

Semi-Precious Pebbles

Five Steps of Volcanic Rock

Tearing North America Apart

Mount Kilauea

Grand Canyon 1

Grand Canyon 2

Grand Canyon 3

Grand Canyon 4

Mendenhall Glacier

Monument Rocks 1

Monument Rocks 2

Exuma Cays 1

Exuma Cays 3

Exuma Cays 4

Gooseberry Falls 1

Gooseberry Falls 2

Gooseberry Falls 3

Gooseberry Falls 4

Lethal Seas Excerpt 1

Lethal Seas Excerpt 2

Lethal Seas Excerpt 3

Lethal Seas Excerpt 4

The Mother of Hubble