Cat Tales Preview

Worshipped as a goddess, condemned as satanic, and spun into a stunning array of breeds, cats have long fascinated humans. But did we ever really domesticate them? And what can science tell us about our most mysterious companions?

Go to episode

Preview Season 47 Episode 3 Length 00:28 Premiere: 02/19/20

Recent Episodes

Evolution: On the Run

S53 E17 Length 53:46 Premiere Date 11/11/26

Evolution: The Mating Game

S53 E16 Length 53:46 Premiere Date 11/04/26

Evolution: Body Builders

S53 E15 Length 53:45 Premiere Date 10/28/26

Evolution: Need to Feed

S53 E14 Length 53:46 Premiere Date 10/21/26

Evolution: Brain Power

S53 E13 Length 53:34 Premiere Date 10/14/26

Space Wars

S53 E12 Length 53:54 Premiere Date 10/07/26

Clips & Previews

The Joys and Challenges of Birding While Black

Clip Length 03:54 Premiere Date 09/03/20

Losing a Loved One to Early Onset Alzheimer's

Clip Length 04:53 Premiere Date 09/02/20

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

Cat Tales Preview

Preview Length 00:28 Premiere Date 02/19/20

Are Cats More Expressive Than We Think?

Clip Length 02:51 Premiere Date 02/19/20

Are Cats As Easy to Train as Dogs?

Clip Length 02:19 Premiere Date 02/19/20

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

Interview: All of Physics in One Book with Hakeem Oluseyi

Length 44:18 Premiere Date 11/04/26

Interview: Earthquakes: Natural, Man-Made, and Everything Between with John Shaw

Length 49:43 Premiere Date 10/22/26

Interview: The Fusion Future with Dennis Whyte

Length 1:30:21 Premiere Date 10/08/26

Interview: Talking Dogs, Grumpy Cats, and Animal Communication with Federico Rossano

Length 1:19:51 Premiere Date 09/24/26

Interview: How to Save The “Doomsday Glacier” with Brent Minchew

Length 1:29:07 Premiere Date 09/10/26

Interview: The Hidden Math Behind Everything with Jordan Ellenberg

Length 1:16:29 Premiere Date 08/27/26

Interview: Hobbits, Neanderthals, and Dragon Man with Ella Al-Shamahi

Length 58:04 Premiere Date 08/13/26

Interview: The Future of AI and Us with Daniela Rus

Length 1:08:49 Premiere Date 07/30/26

Interview: Good Anxiety, Exercise, and Connection on the Brain with Wendy Suzuki

Length 1:15:20 Premiere Date 07/16/26

Interview: T. Rex to Birds with Steve Brusatte

Length 1:24:42 Premiere Date 07/02/26

Interview: Dark Matter = Black Holes? with David Kaiser

Length 1:23:48 Premiere Date 06/18/26

Interview: Discovering Dark Energy and the Hubble Tension with Nobel Prize Winner Adam Riess

Length 1:16:19 Premiere Date 12/19/25

Interview: Evolution of New Species, Venom, Wings, and More with Sean B. Carroll

Length 1:24:09 Premiere Date 12/05/25

Interview: De-Extinction, Dire Wolves, and Jurassic Park with Beth Shapiro

Length 54:49 Premiere Date 11/21/25

Particles of Thought: The Extremophile’s Guide to Life

Length 1:11:15 Premiere Date 11/04/25

Interview: The Animal Translator with Erich Jarvis

Length 1:03:49 Premiere Date 10/21/25

Interview: Brain Guru with Heather Berlin

Length 1:28:59 Premiere Date 10/07/25

Interview: Bob and Mike’s Big Idea with Bob Hazen and Mike Wong

Length 1:11:13 Premiere Date 09/23/25

Interview: Black Hole Badass with Janna Levin

Length 1:19:54 Premiere Date 09/05/25

Interview: The Deepfake Detective with Hany Farid

Length 1:25:01 Premiere Date 08/26/25

Interview: Mind of a Fossil Hunter with Kirk Johnson

Length 1:37:18 Premiere Date 08/18/25

When Machines Prescribe

Length 17:19 Premiere Date 04/30/25

Sands of Time

Length 06:47 Premiere Date 09/13/24

Keepers of the Coastline

Length 11:56 Premiere Date 09/13/24

Tides of Tradition

Length 09:47 Premiere Date 09/13/24

Standing the Heat

Length 08:44 Premiere Date 09/13/24

Megadroughts and Indigenous Voices

Length 07:51 Premiere Date 09/13/24

Harvesting the Future

Length 09:22 Premiere Date 09/13/24

Sea Change: Survival in the Gulf of Maine

Length 53:30 Premiere Date 08/07/24

Sea Change: Peril in the Gulf of Maine

Length 53:30 Premiere Date 07/31/24

Sea Change: Bounty in the Gulf of Maine

Length 53:30 Premiere Date 07/24/24

When Whales Could Walk (Español)

Length 53:30 Premiere Date 01/01/24

Ancient Builders of the Amazon (Español)

Length 53:21 Premiere Date 02/15/23

Ancient Maya Metropolis (Español)

Length 53:31 Premiere Date 01/26/22

Picture a Scientist (with Audio Description)

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

Treasures Metals Eiffel Tower

Length 02:09 Premiere Date 12/09/16

A Labyrinth of Lava

Length 01:13 Premiere Date 11/02/15

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

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

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

Manhattan Skyline

Length 00:52 Premiere Date 10/21/15

New York's Mountains

Length 01:13 Premiere Date 10/21/15

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

Grand Canyon 4

Length 00:19 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

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

Shelley

Length 02:07 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-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 47 Episodes

Show Episodes

Show Clips & Previews

Cat Tales

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

Polar Extremes

S47 E1 Length 1:52:46 Premiere Date 02/05/20

The Joys and Challenges of Birding While Black

Clip Length 03:54 Premiere Date 09/03/20

Losing a Loved One to Early Onset Alzheimer's

Clip Length 04:53 Premiere Date 09/02/20

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

Cat Tales Preview

Preview Length 00:28 Premiere Date 02/19/20

Are Cats More Expressive Than We Think?

Clip Length 02:51 Premiere Date 02/19/20

Are Cats As Easy to Train as Dogs?

Clip Length 02:19 Premiere Date 02/19/20

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

Jump to Recent Airdates

Upcoming

Evolution: On the Run - S53 E17

An evolutionary ride from early aquatic ancestors to highly optimized runners like the horse.

Sunday November 15, 2026 7:00 pm ET on KET2
Sunday November 15, 2026 6:00 pm CT on KET2
Tuesday November 17, 2026 1:00 am ET on KET2
Tuesday November 17, 2026 12:00 am CT on KET2

NOVA Universe Revealed: Age of Stars - S48 E15

Premiered On: 10/27/2021

The Hubble Space Telescope and a heat-resistant solar probe reveal new clues about the sun's 5-billion-year history.

Monday November 16, 2026 5:00 pm ET on KET
Monday November 16, 2026 4:00 pm CT on KET

NOVA Universe Revealed: Milky Way - S48 E16

Premiered On: 11/03/2021

Explore the history of the Milky Way, including what shaped this spiral of stars, gas and dust and what its destiny will be.

Tuesday November 17, 2026 5:00 pm ET on KET
Tuesday November 17, 2026 4:00 pm CT on KET

NOVA Universe Revealed: Alien Worlds - S48 E17

Premiered On: 11/10/2021

New science and discoveries made possible by ultra-sensitive telescopes and detective work transform alien planet-hunting from science fiction into fact.

Wednesday November 18, 2026 5:00 pm ET on KET
Wednesday November 18, 2026 4:00 pm CT on KET

NOVA Universe Revealed: Black Holes - S48 E18

Premiered On: 11/17/2021

A new generation of high-powered telescopes brings black holes to light. Animation reveals what happens when objects stray too close to a black hole's point of no return.

Thursday November 19, 2026 5:00 pm ET on KET
Thursday November 19, 2026 4:00 pm CT on KET

NOVA Universe Revealed: Big Bang - S48 E19

Premiered On: 11/24/2021

Nova probes the mystery of the Big Bang with stunning animation based on space telescope images.

Friday November 20, 2026 5:00 pm ET on KET
Friday November 20, 2026 4:00 pm CT on KET

Secrets in Your Data - S51 E7

Alok Patel takes a look at what happens to the personal data shared on social media and efforts to maximize benefits without compromising personal privacy.

Sunday November 22, 2026 7:00 pm ET on KET2
Sunday November 22, 2026 6:00 pm CT on KET2
Tuesday November 24, 2026 1:00 am ET on KET2
Tuesday November 24, 2026 12:00 am CT on KET2

Decoding da Vinci - S46 E21

Premiered On: 11/13/2019

Discover how Leonardo da Vinci used science, from human dissections to innovative painting techniques, to create his legendary artwork. Learn why Mona Lisa's smile is so captivating - and what it took to create it.

Wednesday November 25, 2026 9:00 pm ET on KET
Wednesday November 25, 2026 8:00 pm CT on KET
Thursday November 26, 2026 5:00 pm ET on KET
Thursday November 26, 2026 4:00 pm CT on KET
Friday November 27, 2026 2:00 am ET on KET
Friday November 27, 2026 1:00 am CT on KET

The Planets: Saturn - S46 E15

Premiered On: 08/07/2019

NASA's Cassini probe explores Saturn's icy rings and moons, capturing ring-moon interactions and revealing ingredients for life on the moon Enceladus.

Thursday December 3, 2026 4:30 pm ET on KET
Thursday December 3, 2026 3:30 pm CT on KET

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.

Wednesday December 9, 2026 9:00 pm ET on KET
Wednesday December 9, 2026 8:00 pm CT on KET
Thursday December 10, 2026 5:00 pm ET on KET
Thursday December 10, 2026 4:00 pm CT on KET
Friday December 11, 2026 2:00 am ET on KET
Friday December 11, 2026 1:00 am CT on KET
Sunday December 13, 2026 7:00 pm ET on KET2
Sunday December 13, 2026 6:00 pm CT on KET2
Tuesday December 15, 2026 1:00 am ET on KET2
Tuesday December 15, 2026 12:00 am CT on KET2

Jump to Upcoming Airdates

Recent

Evolution: On the Run - S53 E17

Friday November 13, 2026 2:00 am ET on KET
Friday November 13, 2026 1:00 am CT on KET
Thursday November 12, 2026 5:00 pm ET on KET
Thursday November 12, 2026 4:00 pm CT on KET
Wednesday November 11, 2026 9:00 pm ET on KET
Wednesday November 11, 2026 8:00 pm CT on KET

Evolution: The Mating Game - S53 E16

Tuesday November 10, 2026 1:00 am ET on KET2
Tuesday November 10, 2026 12:00 am CT on KET2
Sunday November 8, 2026 7:00 pm ET on KET2
Sunday November 8, 2026 6:00 pm CT on KET2
Friday November 6, 2026 2:00 am ET on KET
Friday November 6, 2026 1:00 am CT on KET
Thursday November 5, 2026 5:00 pm ET on KET
Thursday November 5, 2026 4:00 pm CT on KET
Wednesday November 4, 2026 9:00 pm ET on KET
Wednesday November 4, 2026 8:00 pm CT on KET

Evolution: Body Builders - S53 E15

Wednesday November 4, 2026 8:00 am ET on KETWORLD
Wednesday November 4, 2026 7:00 am CT on KETWORLD
Wednesday November 4, 2026 12:00 am ET on KETWORLD
Tuesday November 3, 2026 11:00 pm CT on KETWORLD
Tuesday November 3, 2026 7:00 pm ET on KETWORLD
Tuesday November 3, 2026 6:00 pm CT on KETWORLD
Tuesday November 3, 2026 1:00 am ET on KET2
Tuesday November 3, 2026 12:00 am CT on KET2
Sunday November 1, 2026 7:00 pm ET on KET2
Sunday November 1, 2026 6:00 pm CT on KET2
Friday October 30, 2026 2:00 am ET on KET
Friday October 30, 2026 1:00 am CT on KET
Thursday October 29, 2026 5:00 pm ET on KET
Thursday October 29, 2026 4:00 pm CT on KET
Wednesday October 28, 2026 9:00 pm ET on KET
Wednesday October 28, 2026 8:00 pm CT on KET

Evolution: Need to Feed - S53 E14

Wednesday October 28, 2026 8:00 am ET on KETWORLD
Wednesday October 28, 2026 7:00 am CT on KETWORLD
Wednesday October 28, 2026 12:00 am ET on KETWORLD
Tuesday October 27, 2026 11:00 pm CT on KETWORLD
Tuesday October 27, 2026 7:00 pm ET on KETWORLD
Tuesday October 27, 2026 6:00 pm CT on KETWORLD
Tuesday October 27, 2026 1:00 am ET on KET2
Tuesday October 27, 2026 12:00 am CT on KET2
Sunday October 25, 2026 7:00 pm ET on KET2
Sunday October 25, 2026 6:00 pm CT on KET2
Friday October 23, 2026 2:00 am ET on KET
Friday October 23, 2026 1:00 am CT on KET
Thursday October 22, 2026 5:00 pm ET on KET
Thursday October 22, 2026 4:00 pm CT on KET
Wednesday October 21, 2026 9:00 pm ET on KET
Wednesday October 21, 2026 8:00 pm CT on KET

Evolution: Brain Power - S53 E13

Wednesday October 21, 2026 8:00 am ET on KETWORLD
Wednesday October 21, 2026 7:00 am CT on KETWORLD
Wednesday October 21, 2026 12:00 am ET on KETWORLD
Tuesday October 20, 2026 11:00 pm CT on KETWORLD
Tuesday October 20, 2026 7:00 pm ET on KETWORLD
Tuesday October 20, 2026 6:00 pm CT on KETWORLD
Tuesday October 20, 2026 1:00 am ET on KET2
Tuesday October 20, 2026 12:00 am CT on KET2
Sunday October 18, 2026 7:00 pm ET on KET2
Sunday October 18, 2026 6:00 pm CT on KET2
Friday October 16, 2026 2:00 am ET on KET
Friday October 16, 2026 1:00 am CT on KET
Thursday October 15, 2026 5:00 pm ET on KET
Thursday October 15, 2026 4:00 pm CT on KET
Wednesday October 14, 2026 9:00 pm ET on KET
Wednesday October 14, 2026 8:00 pm CT on KET

Space Wars - S53 E12

Wednesday October 14, 2026 8:00 am ET on KETWORLD
Wednesday October 14, 2026 7:00 am CT on KETWORLD
Wednesday October 14, 2026 12:00 am ET on KETWORLD
Tuesday October 13, 2026 11:00 pm CT on KETWORLD
Tuesday October 13, 2026 7:00 pm ET on KETWORLD
Tuesday October 13, 2026 6:00 pm CT on KETWORLD
Tuesday October 13, 2026 1:00 am ET on KET2
Tuesday October 13, 2026 12:00 am CT on KET2

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Cat Tales Preview

Recent Episodes

Evolution: On the Run

Evolution: The Mating Game

Evolution: Body Builders

Evolution: Need to Feed

Evolution: Brain Power

Space Wars

Sponsored by:

Clips & Previews

The Joys and Challenges of Birding While Black

Losing a Loved One to Early Onset Alzheimer's

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?

Cat Tales Preview

Are Cats More Expressive Than We Think?

Are Cats As Easy to Train as Dogs?

Why is this Antarctic Glacier “Bleeding?”

How Antarctica’s Cutest Baby Seals Grow Up

Antarctica: Journey to the Bottom of the Earth

Specials

Interview: All of Physics in One Book with Hakeem Oluseyi

Interview: Earthquakes: Natural, Man-Made, and Everything Between with John Shaw

Interview: The Fusion Future with Dennis Whyte

Interview: Talking Dogs, Grumpy Cats, and Animal Communication with Federico Rossano

Interview: How to Save The “Doomsday Glacier” with Brent Minchew

Interview: The Hidden Math Behind Everything with Jordan Ellenberg

Interview: Hobbits, Neanderthals, and Dragon Man with Ella Al-Shamahi

Interview: The Future of AI and Us with Daniela Rus

Interview: Good Anxiety, Exercise, and Connection on the Brain with Wendy Suzuki

Interview: T. Rex to Birds with Steve Brusatte

Interview: Dark Matter = Black Holes? with David Kaiser

Interview: Discovering Dark Energy and the Hubble Tension with Nobel Prize Winner Adam Riess

Interview: Evolution of New Species, Venom, Wings, and More with Sean B. Carroll

Interview: De-Extinction, Dire Wolves, and Jurassic Park with Beth Shapiro

Particles of Thought: The Extremophile’s Guide to Life

Interview: The Animal Translator with Erich Jarvis

Interview: Brain Guru with Heather Berlin

Interview: Bob and Mike’s Big Idea with Bob Hazen and Mike Wong

Interview: Black Hole Badass with Janna Levin

Interview: The Deepfake Detective with Hany Farid

Interview: Mind of a Fossil Hunter with Kirk Johnson

When Machines Prescribe

Sands of Time

Keepers of the Coastline

Tides of Tradition

Standing the Heat

Megadroughts and Indigenous Voices

Harvesting the Future

Sea Change: Survival in the Gulf of Maine

Sea Change: Peril in the Gulf of Maine

Sea Change: Bounty in the Gulf of Maine

When Whales Could Walk (Español)

Ancient Builders of the Amazon (Español)

Ancient Maya Metropolis (Español)

Picture a Scientist (with Audio Description)

Treasures Metals Eiffel Tower

A Labyrinth of Lava

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

Driving Dinosaur Diversity

Pangea

Making Granite From Volcanic Rock

A Massive Volcanic Eruption

Rock Time Capsules

The Sandstone Top of the Canyon

Fossil-Filled Limestone

The Grand Canyon's Oldest Rocks