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Athens: Birth of Democracy

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Specials

Season 53 Episodes

Evolution: Brain Power
S53 E13 Length 53:39 Premiere Date 10/14/26

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

Stone Age Masterpiece
S53 E11 Length 53:42 Premiere Date 09/30/26

Knowledge Keepers
S53 E10 Length 53:41 Premiere Date 09/23/26

The Battle to Breathe
S53 E9 Length 53:34 Premiere Date 09/16/26

Athens: Birth of Democracy
S53 E8 Length 53:40 Premiere Date 04/15/26

Return to the Moon
S53 E7 Length 53:08 Premiere Date 04/29/26

Stone Age Temple Mystery
S53 E6 Length 53:25 Premiere Date 02/25/26

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

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

Angkor: Hidden Jungle Empire
S53 E2 Length 53:40 Premiere Date 01/28/26

Asteroids: Spark of Life?
S53 E1 Length 53:31 Premiere Date 01/21/26

The Battle to Breathe: The Last 10%
Clip Length 18:06 Premiere Date 09/16/26

The Battle to Breathe: CF Before Birth
Clip Length 15:51 Premiere Date 09/16/26

The Mind-Bending Physics of Origami
Clip Length 05:52 Premiere Date 07/28/26

Why is Ice Slippery?
Clip Length 05:48 Premiere Date 07/23/26

The Ocean Wave Scientists Thought Was Impossible
Clip Length 05:46 Premiere Date 07/21/26

The Problem That Broke Physics (And Led to Chaos)
Clip Length 06:12 Premiere Date 07/21/26

The Truth about Quantum Computers
Clip Length 06:44 Premiere Date 07/21/26

Why Earth’s Core Is Younger Than Its Surface
Clip Length 06:00 Premiere Date 07/21/26

Does Notre Dame Sound Different Now?
Clip Length 06:08 Premiere Date 07/21/26

Is Electricity Instant? A Shocking Experiment from 1746
Clip Length 05:56 Premiere Date 07/21/26

Athens: Birth of Democracy Preview
Preview Length 00:30 Premiere Date 04/15/26

Surviving an Elevator Fall
Clip Length 01:31 Premiere Date 08/23/10

Shabbat Elevator
Clip Length 02:42 Premiere Date 08/23/10

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Evolution: Brain Power - S53 E13

Learn how the human brain, and those of clever animals like the dolphin, evolved over time.

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

Evolution: Need to Feed - S53 E14

The surprising story of how our planet's diverse creatures became the furious feeding machines they are today.

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

Evolution: Body Builders - S53 E15

Discover the process behind the incredible variety of animal shapes and sizes.

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

Evolution: The Mating Game - S53 E16

Discover how the rise of sexual reproduction fuels diversity, pushing life to specialize and shaping everything from tiny single-celled organisms to towering ostriches.

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

Evolution: On the Run - S53 E17

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

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

Space Wars - S53 E12

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

Stone Age Masterpiece - S53 E11

  • Tuesday October 6, 2026 1:00 am ET on KET2
  • Tuesday October 6, 2026 12:00 am CT on KET2
  • Sunday October 4, 2026 7:00 pm ET on KET2
  • Sunday October 4, 2026 6:00 pm CT on KET2
  • Friday October 2, 2026 2:00 am ET on KET
  • Friday October 2, 2026 1:00 am CT on KET
  • Thursday October 1, 2026 5:00 pm ET on KET
  • Thursday October 1, 2026 4:00 pm CT on KET
  • Wednesday September 30, 2026 9:00 pm ET on KET
  • Wednesday September 30, 2026 8:00 pm CT on KET

Knowledge Keepers - S53 E10

  • Tuesday September 29, 2026 1:00 am ET on KET2
  • Tuesday September 29, 2026 12:00 am CT on KET2
  • Sunday September 27, 2026 7:00 pm ET on KET2
  • Sunday September 27, 2026 6:00 pm CT on KET2
  • Friday September 25, 2026 2:00 am ET on KET
  • Friday September 25, 2026 1:00 am CT on KET
  • Thursday September 24, 2026 5:00 pm ET on KET
  • Thursday September 24, 2026 4:00 pm CT on KET
  • Wednesday September 23, 2026 9:00 pm ET on KET
  • Wednesday September 23, 2026 8:00 pm CT on KET

The Battle to Breathe - S53 E9

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

Angkor: Hidden Jungle Empire - S53 E2

  • Tuesday September 15, 2026 1:00 am ET on KET2
  • Tuesday September 15, 2026 12:00 am CT on KET2
  • Sunday September 13, 2026 7:00 pm ET on KET2
  • Sunday September 13, 2026 6:00 pm CT on KET2
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