Secrets in our DNA

Some 30 million Americans have sent their DNA to be analyzed by companies like 23andMe and AncestryDNA. But what happens once the sample is in the hands of testing companies, and how accurate are their results? NOVA explores the power of genetic data to reveal family connections, ancestry, and health risks—and even solve criminal cold cases.

Season 48 Episode 1 Length 53:26 Premiere: 01/13/21

Recent Episodes

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

Clips & Previews

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

Origins of Misinformation and How it Spreads

Clip Length 05:47 Premiere Date 03/15/21

The Big Lie about Monarch Butterflies

Clip Length 09:25 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

Secrets in our DNA Preview

Preview Length 00:27 Premiere Date 01/13/21

Half Sisters Unite Thanks to DNA Testing

Clip Length 04:19 Premiere Date 01/13/21

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

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

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

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

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

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

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

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

Non-Newtonian Gel

Length 01:00 Premiere Date 11/15/13

GM Plants

Length 01:27 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

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

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

Hagfish Defense

Length 01:36 Premiere Date 10/17/13

Slime Clothes

Length 01:00 Premiere Date 10/17/13

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

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-1-2

Length 00:04 Premiere Date 07/08/13

sandy-raw-5-1

Length 01:02 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_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_07

Length 03:07 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 48 Episodes

Show Episodes

Show Clips & Previews

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 53:13 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 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

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

Origins of Misinformation and How it Spreads

Clip Length 05:47 Premiere Date 03/15/21

The Big Lie about Monarch Butterflies

Clip Length 09:25 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

Secrets in our DNA Preview

Preview Length 00:27 Premiere Date 01/13/21

Half Sisters Unite Thanks to DNA Testing

Clip Length 04:19 Premiere Date 01/13/21

See All Episodes

TV Schedules

Jump to Recent Airdates

Upcoming

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.

Tuesday October 3, 2023 12:00 am ET on KET2
Monday October 2, 2023 11:00 pm CT on KET2
Tuesday October 3, 2023 7:00 pm ET on KETWORLD
Tuesday October 3, 2023 6:00 pm CT on KETWORLD
Wednesday October 4, 2023 12:00 am ET on KETWORLD
Tuesday October 3, 2023 11:00 pm CT on KETWORLD
Wednesday October 4, 2023 8:00 am ET on KETWORLD
Wednesday October 4, 2023 7:00 am CT on KETWORLD

Ancient Earth: Birth of the Sky - S50 E11

Discover how Earth transformed from a barren hellscape to a planet capable of sustaining life. Animation and science experts reveal how the blue sky came to be.

Wednesday October 4, 2023 9:00 pm ET on KET
Wednesday October 4, 2023 8:00 pm CT on KET
Thursday October 5, 2023 5:00 pm ET on KET
Thursday October 5, 2023 4:00 pm CT on KET
Friday October 6, 2023 2:00 am ET on KET
Friday October 6, 2023 1:00 am CT on KET
Sunday October 8, 2023 7:00 pm ET on KET2
Sunday October 8, 2023 6:00 pm CT on KET2
Monday October 9, 2023 5:00 am ET on KET2
Monday October 9, 2023 4:00 am CT on KET2
Tuesday October 10, 2023 12:00 am ET on KET2
Monday October 9, 2023 11:00 pm CT on KET2

Ancient Earth: Frozen - S50 E12

Scientists investigate how life evolved after a global freeze threatened its survival 700 million years ago.

Wednesday October 11, 2023 9:00 pm ET on KET
Wednesday October 11, 2023 8:00 pm CT on KET
Thursday October 12, 2023 5:00 pm ET on KET
Thursday October 12, 2023 4:00 pm CT on KET
Friday October 13, 2023 2:00 am ET on KET
Friday October 13, 2023 1:00 am CT on KET
Sunday October 15, 2023 7:00 pm ET on KET2
Sunday October 15, 2023 6:00 pm CT on KET2
Monday October 16, 2023 5:00 am ET on KET2
Monday October 16, 2023 4:00 am CT on KET2
Tuesday October 17, 2023 12:00 am ET on KET2
Monday October 16, 2023 11:00 pm CT on KET2

Ancient Earth: Life Rising - S50 E13

Discover how life made the leap to land, transforming a barren, rocky landscape into the lush, green world.

Wednesday October 18, 2023 9:00 pm ET on KET
Wednesday October 18, 2023 8:00 pm CT on KET
Friday October 20, 2023 2:00 am ET on KET
Friday October 20, 2023 1:00 am CT on KET
Sunday October 22, 2023 7:00 pm ET on KET2
Sunday October 22, 2023 6:00 pm CT on KET2
Monday October 23, 2023 5:00 am ET on KET2
Monday October 23, 2023 4:00 am CT on KET2
Tuesday October 24, 2023 12:00 am ET on KET2
Monday October 23, 2023 11:00 pm CT on KET2

Ancient Earth: Inferno - S50 E14

Scientists piece together geologic evidence from the past and clues from the Earth's ecosystems to determine how life made it through a cataclysmic extinction that wiped out about 90 percent of all species 252 million years ago.

Wednesday October 25, 2023 9:00 pm ET on KET
Wednesday October 25, 2023 8:00 pm CT on KET
Thursday October 26, 2023 5:00 pm ET on KET
Thursday October 26, 2023 4:00 pm CT on KET
Friday October 27, 2023 2:00 am ET on KET
Friday October 27, 2023 1:00 am CT on KET
Sunday October 29, 2023 7:00 pm ET on KET2
Sunday October 29, 2023 6:00 pm CT on KET2
Monday October 30, 2023 5:00 am ET on KET2
Monday October 30, 2023 4:00 am CT on KET2
Tuesday October 31, 2023 12:00 am ET on KET2
Monday October 30, 2023 11:00 pm CT on KET2

Ancient Earth: Humans - S50 E15

Wednesday November 1, 2023 9:00 pm ET on KET
Wednesday November 1, 2023 8:00 pm CT on KET
Thursday November 2, 2023 5:00 pm ET on KET
Thursday November 2, 2023 4:00 pm CT on KET
Friday November 3, 2023 2:00 am ET on KET
Friday November 3, 2023 1:00 am CT on KET

Jump to Upcoming Airdates

Recent

Operation Lighthouse Rescue - S43 E13

Monday October 2, 2023 5:00 am ET on KET2
Monday October 2, 2023 4:00 am CT on KET2
Sunday October 1, 2023 7:00 pm ET on KET2
Sunday October 1, 2023 6:00 pm CT on KET2
Friday September 29, 2023 2:00 am ET on KET
Friday September 29, 2023 1:00 am CT on KET
Thursday September 28, 2023 5:00 pm ET on KET
Thursday September 28, 2023 4:00 pm CT on KET
Wednesday September 27, 2023 9:00 pm ET on KET
Wednesday September 27, 2023 8:00 pm CT on KET

London Super Tunnel - S50 E1

Wednesday September 27, 2023 8:00 am ET on KETWORLD
Wednesday September 27, 2023 7:00 am CT on KETWORLD
Wednesday September 27, 2023 12:00 am ET on KETWORLD
Tuesday September 26, 2023 11:00 pm CT on KETWORLD
Tuesday September 26, 2023 7:00 pm ET on KETWORLD
Tuesday September 26, 2023 6:00 pm CT on KETWORLD
Tuesday September 26, 2023 12:00 am ET on KET2
Monday September 25, 2023 11:00 pm CT on KET2
Monday September 25, 2023 5:00 am ET on KET2
Monday September 25, 2023 4:00 am CT on KET2
Sunday September 24, 2023 7:00 pm ET on KET2
Sunday September 24, 2023 6:00 pm CT on KET2
Friday September 22, 2023 2:00 am ET on KET
Friday September 22, 2023 1:00 am CT on KET
Thursday September 21, 2023 5:00 pm ET on KET
Thursday September 21, 2023 4:00 pm CT on KET
Wednesday September 20, 2023 9:00 pm ET on KET
Wednesday September 20, 2023 8:00 pm CT on KET

Rebuilding Notre Dame - S49 E13

Wednesday September 20, 2023 8:00 am ET on KETWORLD
Wednesday September 20, 2023 7:00 am CT on KETWORLD
Wednesday September 20, 2023 12:00 am ET on KETWORLD
Tuesday September 19, 2023 11:00 pm CT on KETWORLD
Tuesday September 19, 2023 7:00 pm ET on KETWORLD
Tuesday September 19, 2023 6:00 pm CT on KETWORLD
Tuesday September 19, 2023 12:00 am ET on KET2
Monday September 18, 2023 11:00 pm CT on KET2
Monday September 18, 2023 5:00 am ET on KET2
Monday September 18, 2023 4:00 am CT on KET2
Sunday September 17, 2023 7:00 pm ET on KET2
Sunday September 17, 2023 6:00 pm CT on KET2
Friday September 15, 2023 2:00 am ET on KET
Friday September 15, 2023 1:00 am CT on KET
Thursday September 14, 2023 5:00 pm ET on KET
Thursday September 14, 2023 4:00 pm CT on KET
Wednesday September 13, 2023 9:00 pm ET on KET
Wednesday September 13, 2023 8:00 pm CT on KET

Saving Venice - S49 E12

Wednesday September 13, 2023 8:00 am ET on KETWORLD
Wednesday September 13, 2023 7:00 am CT on KETWORLD
Wednesday September 13, 2023 12:00 am ET on KETWORLD
Tuesday September 12, 2023 11:00 pm CT on KETWORLD
Tuesday September 12, 2023 7:00 pm ET on KETWORLD
Tuesday September 12, 2023 6:00 pm CT on KETWORLD
Tuesday September 12, 2023 12:00 am ET on KET2
Monday September 11, 2023 11:00 pm CT on KET2
Monday September 11, 2023 5:00 am ET on KET2
Monday September 11, 2023 4:00 am CT on KET2
Sunday September 10, 2023 7:00 pm ET on KET2
Sunday September 10, 2023 6:00 pm CT on KET2
Friday September 8, 2023 2:00 am ET on KET
Friday September 8, 2023 1:00 am CT on KET
Thursday September 7, 2023 5:00 pm ET on KET
Thursday September 7, 2023 4:00 pm CT on KET
Wednesday September 6, 2023 9:00 pm ET on KET
Wednesday September 6, 2023 8:00 pm CT on KET

Arctic Ghost Ship - S42 E16

Wednesday September 6, 2023 8:00 am ET on KETWORLD
Wednesday September 6, 2023 7:00 am CT on KETWORLD
Wednesday September 6, 2023 12:00 am ET on KETWORLD
Tuesday September 5, 2023 11:00 pm CT on KETWORLD
Tuesday September 5, 2023 7:00 pm ET on KETWORLD
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Tuesday September 5, 2023 12:00 am ET on KET2
Monday September 4, 2023 11:00 pm CT on KET2
Sunday September 3, 2023 7:00 pm ET on KET2
Sunday September 3, 2023 6:00 pm CT on KET2
Friday September 1, 2023 2:00 am ET on KET
Friday September 1, 2023 1:00 am CT on KET

Sunken Ship Rescue - S42 E2

Wednesday September 6, 2023 9:00 am ET on KETWORLD
Wednesday September 6, 2023 8:00 am CT on KETWORLD
Wednesday September 6, 2023 1:00 am ET on KETWORLD
Wednesday September 6, 2023 12:00 am CT on KETWORLD
Tuesday September 5, 2023 8:00 pm ET on KETWORLD
Tuesday September 5, 2023 7:00 pm CT on KETWORLD
Monday September 4, 2023 5:00 am ET on KET2
Monday September 4, 2023 4:00 am CT on KET2
Thursday August 31, 2023 5:00 pm ET on KET
Thursday August 31, 2023 4:00 pm CT on KET

Top

Secrets in our DNA

Recent Episodes

Your Brain: Who's in Control?

Your Brain: Perception Deception

Hidden Volcano Abyss

Saving the Right Whale

Chasing Carbon Zero

Weathering the Future

Sponsored by:

Clips & Previews

GameStop, Reddit, and the Rise of Risky Trades

Texas' Power Grid Trouble is Far From Over

Origins of Misinformation and How it Spreads

The Big Lie about Monarch Butterflies

How Mask-Wearing Misinformation Became a Reality

Dream Hacking: Decisions, Addictions, and Sleep

Why Misinformation Matters

Lingering Symptoms from COVID-19 are “Unprecedented”

New COVID-19 Variants Spread More Easily

This University Monitors COVID-19 Through Saliva Testing

Secrets in our DNA Preview

Half Sisters Unite Thanks to DNA Testing

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

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

No Dinosaurs Above the Line

Mammal Survivors

Dinosaur Fossils

King of Gore

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

Fossilized Sand Dunes

Volcanoes of Sand

Rockies 2.0

Manhattan Schist

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

Mount Kilauea

Grand Canyon 1

Grand Canyon 2

Grand Canyon 3

Lethal Seas Excerpt 1

Lethal Seas Excerpt 2

Lethal Seas Excerpt 3

Lethal Seas Excerpt 4

The Mother of Hubble

Formation of a Typhoon