Is the Government Hiding Information on UFOs?

The government does keep secrets about aerospace technology, but are those linked to UFO sightings? How much do they really know? With growing concerns about national security and more citizen sightings of unidentified objects in our airspace, the need to identify these unknown objects is greater than ever before.

Go to episode

Clip Season 52 Episode 1 Length 01:03 Premiere: 01/22/25

Recent Episodes

Return to the Moon

S53 E7 Length 53:08 Premiere Date 04/29/26

Rain Bombs

S53 E5 Length 53:24 Premiere Date 04/22/26

Athens: Birth of Democracy

S53 E8 Length 53:40 Premiere Date 04/15/26

Stone Age Temple Mystery

S53 E6 Length 53:25 Premiere Date 02/25/26

Mammal Origins

S53 E4 Length 53:38 Premiere Date 02/11/26

Can Dogs Talk?

S53 E3 Length 53:39 Premiere Date 02/04/26

Clips & Previews

The Science of Scratch-Offs: What Your Brain Can’t Resist

Clip Length 06:39 Premiere Date 07/07/25

This Giant Telescope Will Reveal The Universe in Unbelievable Detail

Clip Length 05:59 Premiere Date 07/07/25

These Smart Glasses Know Who You Are, and Much More

Clip Length 04:18 Premiere Date 04/17/25

Do Aliens Exist? This Famous Equation Offers a Clue

Clip Length 05:04 Premiere Date 03/13/25

4 Ways the Universe Could End

Clip Length 05:07 Premiere Date 03/13/25

The Rocket-Less Future of Space Travel

Clip Length 05:17 Premiere Date 03/13/25

Building Blocks of Life Discovered on Distant Asteroid

Clip Length 06:03 Premiere Date 03/07/25

This Asteroid Might Make Impact With Earth in 2032

Clip Length 03:33 Premiere Date 02/20/25

What Are UFOs? Preview

Preview Length 00:30 Premiere Date 01/22/25

Is the Government Hiding Information on UFOs?

Clip Length 01:03 Premiere Date 01/22/25

Area 51: UFO Sightings and an Infamous Government Cover-Up

Clip Length 02:35 Premiere Date 01/22/25

What You’re Probably Seeing If You Spot a UFO

Clip Length 02:17 Premiere Date 01/22/25

UFO Sightings: How Scientists are Trying to Capture More Data

Clip Length 05:00 Premiere Date 01/22/25

Specials

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 52 Episodes

Show Episodes

Show Clips & Previews

Operation Space Station: Science and Survival

S52 E20 Length 53:41 Premiere Date 11/12/25

Operation Space Station: High-Risk Build

S52 E19 Length 53:40 Premiere Date 11/05/25

Superfloods

S52 E18 Length 53:28 Premiere Date 10/29/25

Ancient Desert Death Trap

S52 E17 Length 53:21 Premiere Date 10/22/25

Human: Building Empires

S52 E16 Length 53:32 Premiere Date 10/15/25

Human: Into the Americas

S52 E15 Length 53:26 Premiere Date 10/08/25

Human: Neanderthal Encounters

S52 E14 Length 53:27 Premiere Date 10/01/25

Human: Journeys

S52 E13 Length 53:25 Premiere Date 09/24/25

Human: Origins

S52 E12 Length 53:27 Premiere Date 09/17/25

Ultimate Crash Test: Impact

S52 E11 Length 53:27 Premiere Date 05/14/25

Ultimate Crash Test: Countdown

S52 E10 Length 53:29 Premiere Date 05/07/25

Critical Condition: Health in Black America

S52 E9 Length 1:36:42 Premiere Date 04/30/25

Secrets of the Forest

S52 E8 Length 53:41 Premiere Date 04/16/25

Revolutionary War Weapons

S52 E7 Length 53:25 Premiere Date 04/09/25

Baltimore Bridge Collapse

S52 E6 Length 53:32 Premiere Date 02/26/25

Pompeii's Secret Underworld

S52 E5 Length 53:40 Premiere Date 02/19/25

Egypt's Tombs of Amun

S52 E4 Length 53:40 Premiere Date 02/12/25

Dino Birds

S52 E3 Length 53:35 Premiere Date 02/05/25

Extreme Airport Engineering

S52 E2 Length 53:40 Premiere Date 01/29/25

What Are UFOs?

S52 E1 Length 53:29 Premiere Date 01/22/25

The Science of Scratch-Offs: What Your Brain Can’t Resist

Clip Length 06:39 Premiere Date 07/07/25

This Giant Telescope Will Reveal The Universe in Unbelievable Detail

Clip Length 05:59 Premiere Date 07/07/25

These Smart Glasses Know Who You Are, and Much More

Clip Length 04:18 Premiere Date 04/17/25

Do Aliens Exist? This Famous Equation Offers a Clue

Clip Length 05:04 Premiere Date 03/13/25

4 Ways the Universe Could End

Clip Length 05:07 Premiere Date 03/13/25

The Rocket-Less Future of Space Travel

Clip Length 05:17 Premiere Date 03/13/25

Building Blocks of Life Discovered on Distant Asteroid

Clip Length 06:03 Premiere Date 03/07/25

This Asteroid Might Make Impact With Earth in 2032

Clip Length 03:33 Premiere Date 02/20/25

What Are UFOs? Preview

Preview Length 00:30 Premiere Date 01/22/25

Is the Government Hiding Information on UFOs?

Clip Length 01:03 Premiere Date 01/22/25

Area 51: UFO Sightings and an Infamous Government Cover-Up

Clip Length 02:35 Premiere Date 01/22/25

What You’re Probably Seeing If You Spot a UFO

Clip Length 02:17 Premiere Date 01/22/25

UFO Sightings: How Scientists are Trying to Capture More Data

Clip Length 05:00 Premiere Date 01/22/25

See All Episodes

TV Schedules

Jump to Recent Airdates

Upcoming

Human: Into the Americas - S52 E15

Follow the perilous journey of ancient humans into the Americas, where a frigid Ice Age landscape and fearsome beasts, like mammoths, tested their resilience.

Thursday August 27, 2026 5:00 pm ET on KET
Thursday August 27, 2026 4:00 pm CT on KET
Friday August 28, 2026 2:00 am ET on KET
Friday August 28, 2026 1:00 am CT on KET
Sunday August 30, 2026 7:00 pm ET on KET2
Sunday August 30, 2026 6:00 pm CT on KET2
Tuesday September 1, 2026 1:00 am ET on KET2
Tuesday September 1, 2026 12:00 am CT on KET2

Egypt's Tombs of Amun - S52 E4

The discovery of a long-lost ancient cemetery in Egypt's sacred desert reveals details of a unique period when women had remarkable power.

Wednesday September 2, 2026 9:00 pm ET on KET
Wednesday September 2, 2026 8:00 pm CT on KET
Thursday September 3, 2026 5:00 pm ET on KET
Thursday September 3, 2026 4:00 pm CT on KET
Friday September 4, 2026 2:00 am ET on KET
Friday September 4, 2026 1:00 am CT on KET
Sunday September 6, 2026 7:00 pm ET on KET2
Sunday September 6, 2026 6:00 pm CT on KET2
Tuesday September 8, 2026 1:00 am ET on KET2
Tuesday September 8, 2026 12:00 am CT on KET2

Angkor: Hidden Jungle Empire - S53 E2

Deep in the Cambodian jungle lie the ruins of Angkor, a marvel of urban engineering and the seat of the once-mighty Khmer Empire. New discoveries are revealing how this ancient metropolis was built and what likely led to its devastating collapse.

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

Asteroids: Spark of Life? - S53 E1

A look at whether giant asteroid impacts were actually essential for the creation of life on Earth.

Sunday September 13, 2026 7:00 pm ET on KET2
Sunday September 13, 2026 6:00 pm CT on KET2

The Battle to Breathe - S53 E9

Follow the decades-long scientific quest that led to a breakthrough prescription for cystic fibrosis - a combination of three drugs called Trikafta.

Wednesday September 16, 2026 9:00 pm ET on KET
Wednesday September 16, 2026 8:00 pm CT on KET
Thursday September 17, 2026 5:00 pm ET on KET
Thursday September 17, 2026 4:00 pm CT on KET
Friday September 18, 2026 2:00 am ET on KET
Friday September 18, 2026 1:00 am CT on KET
Sunday September 20, 2026 7:00 pm ET on KET2
Sunday September 20, 2026 6:00 pm CT on KET2
Tuesday September 22, 2026 1:00 am ET on KET2
Tuesday September 22, 2026 12:00 am CT on KET2

Knowledge Keepers - S53 E10

See how cultural traditions inform remarkable innovations, from ancient sea farming techniques to celestial navigation methods.

Wednesday September 23, 2026 9:00 pm ET on KET
Wednesday September 23, 2026 8:00 pm CT on KET
Thursday September 24, 2026 5:00 pm ET on KET
Thursday September 24, 2026 4:00 pm CT on KET
Friday September 25, 2026 2:00 am ET on KET
Friday September 25, 2026 1:00 am CT on KET
Sunday September 27, 2026 7:00 pm ET on KET2
Sunday September 27, 2026 6:00 pm CT on KET2

Jump to Upcoming Airdates

Recent

Human: Into the Americas - S52 E15

Wednesday August 26, 2026 9:00 pm ET on KET
Wednesday August 26, 2026 8:00 pm CT on KET

Human: Origins - S52 E12

Tuesday August 25, 2026 1:00 am ET on KET2
Tuesday August 25, 2026 12:00 am CT on KET2
Sunday August 23, 2026 7:00 pm ET on KET2
Sunday August 23, 2026 6:00 pm CT on KET2
Friday August 21, 2026 2:00 am ET on KET
Friday August 21, 2026 1:00 am CT on KET
Thursday August 20, 2026 5:00 pm ET on KET
Thursday August 20, 2026 4:00 pm CT on KET
Wednesday August 19, 2026 9:00 pm ET on KET
Wednesday August 19, 2026 8:00 pm CT on KET

Return to the Moon - S53 E8

Thursday August 13, 2026 4:30 pm ET on KET
Thursday August 13, 2026 3:30 pm CT on KET
Friday August 7, 2026 2:00 am ET on KET
Friday August 7, 2026 1:00 am CT on KET
Thursday August 6, 2026 5:00 pm ET on KET
Thursday August 6, 2026 4:00 pm CT on KET
Wednesday August 5, 2026 9:00 pm ET on KET
Wednesday August 5, 2026 8:00 pm CT on KET

Pluto and Beyond - S46 E1

Tuesday August 4, 2026 1:00 am ET on KET2
Tuesday August 4, 2026 12:00 am CT on KET2
Sunday August 2, 2026 7:00 pm ET on KET2
Sunday August 2, 2026 6:00 pm CT on KET2
Friday July 31, 2026 2:00 am ET on KET
Friday July 31, 2026 1:00 am CT on KET
Thursday July 30, 2026 5:00 pm ET on KET
Thursday July 30, 2026 4:00 pm CT on KET
Wednesday July 29, 2026 9:00 pm ET on KET
Wednesday July 29, 2026 8:00 pm CT on KET

Chasing Pluto - S42 E13

Tuesday July 28, 2026 1:00 am ET on KET2
Tuesday July 28, 2026 12:00 am CT on KET2
Sunday July 26, 2026 7:00 pm ET on KET2
Sunday July 26, 2026 6:00 pm CT on KET2

Top

Is the Government Hiding Information on UFOs?

Recent Episodes

Return to the Moon

Rain Bombs

Athens: Birth of Democracy

Stone Age Temple Mystery

Mammal Origins

Can Dogs Talk?

Sponsored by:

Clips & Previews

The Science of Scratch-Offs: What Your Brain Can’t Resist

This Giant Telescope Will Reveal The Universe in Unbelievable Detail

These Smart Glasses Know Who You Are, and Much More

Do Aliens Exist? This Famous Equation Offers a Clue

4 Ways the Universe Could End

The Rocket-Less Future of Space Travel

Building Blocks of Life Discovered on Distant Asteroid

This Asteroid Might Make Impact With Earth in 2032

What Are UFOs? Preview

Is the Government Hiding Information on UFOs?

Area 51: UFO Sightings and an Infamous Government Cover-Up

What You’re Probably Seeing If You Spot a UFO

UFO Sightings: How Scientists are Trying to Capture More Data

Specials

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

From Lava to Land

Semi-Precious Pebbles

Five Steps of Volcanic Rock

Tearing North America Apart

Fossilized Sand Dunes