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How Engineers Soundproof a New Underground Train Track

Construction teams use springs to quiet the Elizabeth Line trains as they pass under a concert hall.
Clip Season 50 Episode 1 Length 02:57 Premiere: 02/01/23

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Connections host Renee Shaw smiling in a gray suit along with the show logo and a "Check Schedule" button.Connections host Renee Shaw smiling in a gray suit along with the show logo and a "Check Schedule" button.

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Season 50 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

New Eye on the Universe
S50 E4 Length 53:31 Premiere Date 02/22/23

Ancient Builders of the Amazon
S50 E3 Length 53:22 Premiere Date 02/15/23

Star Chasers of Senegal
S50 E2 Length 53:20 Premiere Date 02/08/23

London Super Tunnel
S50 E1 Length 53:20 Premiere Date 02/01/23

Rare Fossil Appears to Show Mammal Attacking Dinosaur
Clip Length 03:26 Premiere Date 07/28/23

The nation’s first big offshore wind farm is coming
Clip Length 05:22 Premiere Date 07/21/23

What Made the Titan Submersible Design Unconventional?
Clip Length 05:05 Premiere Date 07/03/23

Could Whale Poop Help Cool the Planet?
Clip Length 02:43 Premiere Date 05/12/23

This Fungus Is Spreading Rapidly in Hospitals
Clip Length 03:24 Premiere Date 04/24/23

There’s Something Living in Wildfire Smoke
Clip Length 01:59 Premiere Date 04/11/23

How the West Is Making It Rain, With Science
Clip Length 06:22 Premiere Date 04/10/23

Soothing Science: The Light You See at Sunset
Clip Length 08:01 Premiere Date 04/04/23

The Mystery and Physics of the Spiral Football Pass
Clip Length 03:43 Premiere Date 02/13/23

London Super Tunnel Preview
Preview Length 00:27 Premiere Date 02/01/23

How Engineers Soundproof a New Underground Train Track
Clip Length 02:57 Premiere Date 02/01/23

These Trains Take Over for Their Drivers to Cut Travel Time
Clip Length 02:54 Premiere Date 02/01/23

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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.

  • Wednesday September 27, 2023 9:00 pm ET on KET
  • Wednesday September 27, 2023 8:00 pm CT on KET
  • Thursday September 28, 2023 5:00 pm ET on KET
  • Thursday September 28, 2023 4:00 pm CT on KET
  • Friday September 29, 2023 2:00 am ET on KET
  • Friday September 29, 2023 1:00 am CT on KET
  • Sunday October 1, 2023 7:00 pm ET on KET2
  • Sunday October 1, 2023 6:00 pm CT on KET2
  • Monday October 2, 2023 5:00 am ET on KET2
  • Monday October 2, 2023 4:00 am CT on KET2
  • Tuesday October 3, 2023 12:00 am ET on KET2
  • Monday October 2, 2023 11:00 pm CT on KET2

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
Jump to Upcoming Airdates

Recent

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

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

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
  • Tuesday September 5, 2023 6:00 pm CT on KETWORLD
  • 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
  • Wednesday August 30, 2023 9:00 pm ET on KET
  • Wednesday August 30, 2023 8:00 pm CT on KET

Killer Volcanoes - S44 E16

  • Wednesday August 30, 2023 10:00 am ET on KETWORLD
  • Wednesday August 30, 2023 9:00 am CT on KETWORLD
  • Wednesday August 30, 2023 2:00 am ET on KETWORLD
  • Wednesday August 30, 2023 1:00 am CT on KETWORLD
  • Tuesday August 29, 2023 9:00 pm ET on KETWORLD
  • Tuesday August 29, 2023 8:00 pm CT on KETWORLD

Killer Floods - S44 E18

  • Wednesday August 30, 2023 9:00 am ET on KETWORLD
  • Wednesday August 30, 2023 8:00 am CT on KETWORLD
  • Wednesday August 30, 2023 1:00 am ET on KETWORLD
  • Wednesday August 30, 2023 12:00 am CT on KETWORLD
  • Tuesday August 29, 2023 8:00 pm ET on KETWORLD
  • Tuesday August 29, 2023 7:00 pm CT on KETWORLD

Dog Tales - S47 E2

  • Monday August 28, 2023 4:00 am ET on KETWORLD
  • Monday August 28, 2023 3:00 am CT on KETWORLD
  • Sunday August 27, 2023 7:00 pm ET on KETWORLD
  • Sunday August 27, 2023 6:00 pm CT on KETWORLD

Killer Hurricanes - S44 E17

  • Wednesday August 30, 2023 8:00 am ET on KETWORLD
  • Wednesday August 30, 2023 7:00 am CT on KETWORLD
  • Wednesday August 30, 2023 12:00 am ET on KETWORLD
  • Tuesday August 29, 2023 11:00 pm CT on KETWORLD
  • Tuesday August 29, 2023 7:00 pm ET on KETWORLD
  • Tuesday August 29, 2023 6:00 pm CT on KETWORLD
  • Tuesday August 29, 2023 12:00 am ET on KET2
  • Monday August 28, 2023 11:00 pm CT on KET2
  • Monday August 28, 2023 5:00 am ET on KET2
  • Monday August 28, 2023 4:00 am CT on KET2
  • Sunday August 27, 2023 7:00 pm ET on KET2
  • Sunday August 27, 2023 6:00 pm CT on KET2
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