Skip to Main Content

Decoding the Weather Machine

Disastrous hurricanes. Widespread droughts and wildfires. Withering heat. Extreme rainfall. It is hard not to conclude that something’s up with the weather, and many scientists agree. It’s the result of the weather machine itself—our climate—changing, becoming hotter and more erratic. In this 2-hour documentary, NOVA will cut through the confusion around climate change.
Season 45 Episode 7 Length 1:53:21 Premiere: 03/09/18

Sponsored by:

Season 45 Episodes

World's Fastest Animal

S45 E17 Length 53:04 Premiere Date 11/21/18

Thai Cave Rescue

S45 E14 Length 53:34 Premiere Date 10/29/18

Addiction

S45 E12 Length 53:45 Premiere Date 09/25/18

Volcano on the Brink

S45 E11 Length 53:37 Premiere Date 09/19/18

Volcano on Fire

S45 E10 Length 53:37 Premiere Date 09/19/18

Decoding the Weather Machine

S45 E7 Length 1:53:21 Premiere Date 03/09/18

Black Hole Apocalypse

S45 E1 Length 1:52:46 Premiere Date 12/06/17

Decoding the Weather Machine Trailer

Preview Length 01:49 Premiere Date 03/09/18

Decoding the Weather Machine Prologue

Preview Length 02:04 Premiere Date 03/09/18

Climate Change's Best Hope

Clip Length 01:17 Premiere Date 03/09/18

Understanding the Climate Clock

Clip Length 05:06 Premiere Date 03/09/18

Why There's No Climate Hoax

Clip Length 01:20 Premiere Date 03/09/18

Faith and Climate Change

Clip Length 02:02 Premiere Date 03/09/18

Wild Ways to Find a Mate

Clip Length 03:44 Premiere Date 02/14/18

What Is Blockchain?

Clip Length 03:17 Premiere Date 02/07/18

What Is Bitcoin?

Clip Length 02:14 Premiere Date 02/07/18

Seeing Quantum with the Naked Eye

Clip Length 03:55 Premiere Date 02/06/18

Can Tech Save Players’ Brains?

Clip Length 02:49 Premiere Date 02/03/18

Does the Flu Shot Work?

Clip Length 02:14 Premiere Date 01/17/18

See All Episodes

caret down

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 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

  • Tuesday October 3, 2023 12:00 am ET on KET2
  • Monday October 2, 2023 11:00 pm CT on KET2
  • Monday October 2, 2023 5:00 am ET on KET2
  • Monday October 2, 2023 4:00 am CT on KET2
  • 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

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

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
Top

Explore KET