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5 things to know about the Eiffel Tower

The Eiffel Tower is an engineering icon that changed the face of the modern world.
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Clip Season 51 Episode 3 Length 01:40 Premiere: 02/14/24

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Season 51 Episodes

Lost Tombs of Notre Dame
S51 E18 Length 53:40 Premiere Date 12/18/24

Building Stuff: Change It!
S51 E17 Length 53:40 Premiere Date 11/27/24

Building Stuff: Reach It!
S51 E16 Length 53:40 Premiere Date 11/20/24

Building Stuff: Boost It!
S51 E15 Length 53:40 Premiere Date 11/13/24

Decoding the Universe: Quantum
S51 E14 Length 53:40 Premiere Date 11/06/24

Solar System: Wandering Worlds
S51 E13 Length 53:34 Premiere Date 10/30/24

Solar System: Icy Worlds
S51 E12 Length 53:34 Premiere Date 10/23/24

Solar System: Volcano Worlds
S51 E11 Length 53:34 Premiere Date 10/16/24

Solar System: Strange Worlds
S51 E10 Length 53:34 Premiere Date 10/09/24

Solar System: Storm Worlds
S51 E9 Length 53:34 Premiere Date 10/02/24

Decoding the Universe: Cosmos
S51 E8 Length 53:38 Premiere Date 05/22/24

Secrets in Your Data
S51 E7 Length 53:40 Premiere Date 05/15/24

Great American Eclipse
S51 E6 Length 53:34 Premiere Date 04/03/24

A.I. Revolution
S51 E5 Length 53:30 Premiere Date 03/27/24

Hunt for the Oldest DNA
S51 E4 Length 53:10 Premiere Date 02/21/24

Building the Eiffel Tower
S51 E3 Length 53:15 Premiere Date 02/14/24

Easter Island Origins
S51 E2 Length 53:17 Premiere Date 02/07/24

When Whales Could Walk
S51 E1 Length 53:31 Premiere Date 01/31/24

New map of the universe hints that dark energy may be evolving
Clip Length 03:00 Premiere Date 05/03/24

Are winters getting less snowy?
Clip Length 04:49 Premiere Date 05/03/24

How America watched the solar eclipse
Clip Length 02:13 Premiere Date 04/12/24

How to watch the eclipse without burning your eyes
Clip Length 01:59 Premiere Date 04/01/24

Rare stellar explosion will ignite a "new star"
Clip Length 01:17 Premiere Date 03/25/24

The discovery of worlds beyond our solar system
Clip Length 01:39 Premiere Date 03/25/24

The force that makes up more than half of the universe
Clip Length 01:40 Premiere Date 03/12/24

How parrots swing like monkeys
Clip Length 01:36 Premiere Date 02/15/24

Building the Eiffel Tower Preview
Preview Length 00:30 Premiere Date 02/14/24

Why is the Eiffel Tower Shaped Like That?
Clip Length 01:58 Premiere Date 02/14/24

5 things to know about the Eiffel Tower
Clip Length 01:40 Premiere Date 02/14/24

Inside the Construction of the Statue of Liberty
Clip Length 02:59 Premiere Date 02/14/24

The Mysterious Illness That Befell Eiffel Tower Construction Workers
Clip Length 02:50 Premiere Date 02/14/24

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Pompeii's Secret Underworld - S52 E5

Archaeologists uncover new truths about Pompeii, a wealthy Roman playground with dark secrets.

  • Wednesday March 18, 2026 9:00 pm ET on KET
  • Wednesday March 18, 2026 8:00 pm CT on KET
  • Thursday March 19, 2026 5:00 pm ET on KET
  • Thursday March 19, 2026 4:00 pm CT on KET
  • Friday March 20, 2026 2:00 am ET on KET
  • Friday March 20, 2026 1:00 am CT on KET
  • Sunday March 22, 2026 7:00 pm ET on KET2
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  • Tuesday March 24, 2026 12:00 am ET on KET2
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Baltimore Bridge Collapse - S52 E6

Explores the March 2024 collapse of the Francis Scott Key Bridge in Baltimore, a busy four-lane bridge that served as a crucial link in the global shipping chain on the U.S. Eastern Seaboard.

  • Wednesday March 25, 2026 9:00 pm ET on KET
  • Wednesday March 25, 2026 8:00 pm CT on KET
  • Thursday March 26, 2026 5:00 pm ET on KET
  • Thursday March 26, 2026 4:00 pm CT on KET
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  • Tuesday March 31, 2026 12:00 am ET on KET2
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  • Tuesday March 31, 2026 5:00 am ET on KET2
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Your Brain: Perception Deception - S50 E9

Join neuroscientist Heather Berlin on a quest to understand how your brain shapes your reality, and why you can't always trust what you perceive. Learn the surprising tricks and shortcuts the brain takes to help us survive.

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

Your Brain: Who's in Control? - S50 E10

Dive into the latest research on the subconscious to see what's really driving the decisions you make.

  • Wednesday April 8, 2026 9:00 pm ET on KET
  • Wednesday April 8, 2026 8:00 pm CT on KET
  • Thursday April 9, 2026 5:00 pm ET on KET
  • Thursday April 9, 2026 4:00 pm CT on KET
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  • Friday April 10, 2026 1:00 am CT on KET
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  • Tuesday April 14, 2026 1:00 am ET on KET2
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The Planets: Mars - S46 E13

  • Thursday March 12, 2026 4:30 pm ET on KET
  • Thursday March 12, 2026 3:30 pm CT on KET

Stone Age Temple Mystery - S53 E6

  • Tuesday March 3, 2026 5:00 am ET on KET2
  • Tuesday March 3, 2026 4:00 am CT on KET2
  • Tuesday March 3, 2026 12:00 am ET on KET2
  • Monday March 2, 2026 11:00 pm CT on KET2
  • Sunday March 1, 2026 7:00 pm ET on KET2
  • Sunday March 1, 2026 6:00 pm CT on KET2
  • Friday February 27, 2026 2:00 am ET on KET
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  • Thursday February 26, 2026 5:00 pm ET on KET
  • Thursday February 26, 2026 4:00 pm CT on KET
  • Wednesday February 25, 2026 9:00 pm ET on KET
  • Wednesday February 25, 2026 8:00 pm CT on KET

Building the Eiffel Tower - S51 E3

  • Tuesday February 24, 2026 5:00 am ET on KET2
  • Tuesday February 24, 2026 4:00 am CT on KET2
  • Tuesday February 24, 2026 12:00 am ET on KET2
  • Monday February 23, 2026 11:00 pm CT on KET2
  • Sunday February 22, 2026 7:00 pm ET on KET2
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  • Thursday February 19, 2026 4:00 pm CT on KET
  • Wednesday February 18, 2026 9:00 pm ET on KET
  • Wednesday February 18, 2026 8:00 pm CT on KET

Mammal Origins - S53 E4

  • Tuesday February 17, 2026 5:00 am ET on KET2
  • Tuesday February 17, 2026 4:00 am CT on KET2
  • Tuesday February 17, 2026 12:00 am ET on KET2
  • Monday February 16, 2026 11:00 pm CT on KET2
  • Sunday February 15, 2026 7:00 pm ET on KET2
  • Sunday February 15, 2026 6:00 pm CT on KET2
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  • Thursday February 12, 2026 5:00 pm ET on KET
  • Thursday February 12, 2026 4:00 pm CT on KET
  • Wednesday February 11, 2026 9:00 pm ET on KET
  • Wednesday February 11, 2026 8:00 pm CT on KET

Can Dogs Talk? - S53 E3

  • Tuesday February 10, 2026 5:00 am ET on KET2
  • Tuesday February 10, 2026 4:00 am CT on KET2
  • Tuesday February 10, 2026 12:00 am ET on KET2
  • Monday February 9, 2026 11:00 pm CT on KET2
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