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Season 48 Episodes

Edible Insects
S48 E14 Length 53:28 Premiere Date 10/20/21

Particles Unknown
S48 E12 Length 53:28 Premiere Date 10/06/21

The Cannabis Question
S48 E11 Length 53:36 Premiere Date 09/29/21

Looking for Life on Mars
S48 E2 Length 53:46 Premiere Date 02/24/21

This Detector Can Catch Cosmic Neutrinos
Clip Length 03:20 Premiere Date 10/13/21

Particles Unknown Preview
Preview Length 00:30 Premiere Date 10/06/21

Are You Feeding a Powerful Facial Recognition Algorithm?
Clip Length 06:55 Premiere Date 04/30/21

GameStop, Reddit, and the Rise of Risky Trades
Clip Length 08:35 Premiere Date 04/27/21

Texas' Power Grid Trouble is Far From Over
Clip Length 08:23 Premiere Date 03/20/21

The Big Lie about Monarch Butterflies
Clip Length 09:25 Premiere Date 03/15/21

Origins of Misinformation and How it Spreads
Clip Length 05:47 Premiere Date 03/15/21

How Mask-Wearing Misinformation Became a Reality
Clip Length 05:38 Premiere Date 02/23/21

Dream Hacking: Decisions, Addictions, and Sleep
Clip Length 14:34 Premiere Date 02/18/21

Why Misinformation Matters
Clip Length 02:41 Premiere Date 02/11/21

Lingering Symptoms from COVID-19 are “Unprecedented”
Clip Length 05:05 Premiere Date 02/04/21

New COVID-19 Variants Spread More Easily
Clip Length 07:15 Premiere Date 02/04/21

This University Monitors COVID-19 Through Saliva Testing
Clip Length 06:53 Premiere Date 01/15/21

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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.

  • 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
  • Sunday November 15, 2026 7:00 pm ET on KET2
  • Sunday November 15, 2026 6:00 pm CT on KET2
  • Tuesday November 17, 2026 1:00 am ET on KET2
  • Tuesday November 17, 2026 12:00 am CT on KET2

NOVA Universe Revealed: Age of Stars - S48 E15

Premiered On: 10/27/2021

The Hubble Space Telescope and a heat-resistant solar probe reveal new clues about the sun's 5-billion-year history.

  • Monday November 16, 2026 5:00 pm ET on KET
  • Monday November 16, 2026 4:00 pm CT on KET

NOVA Universe Revealed: Milky Way - S48 E16

Premiered On: 11/03/2021

Explore the history of the Milky Way, including what shaped this spiral of stars, gas and dust and what its destiny will be.

  • Tuesday November 17, 2026 5:00 pm ET on KET
  • Tuesday November 17, 2026 4:00 pm CT on KET

NOVA Universe Revealed: Alien Worlds - S48 E17

Premiered On: 11/10/2021

New science and discoveries made possible by ultra-sensitive telescopes and detective work transform alien planet-hunting from science fiction into fact.

  • Wednesday November 18, 2026 5:00 pm ET on KET
  • Wednesday November 18, 2026 4:00 pm CT on KET

NOVA Universe Revealed: Black Holes - S48 E18

Premiered On: 11/17/2021

A new generation of high-powered telescopes brings black holes to light. Animation reveals what happens when objects stray too close to a black hole's point of no return.

  • Thursday November 19, 2026 5:00 pm ET on KET
  • Thursday November 19, 2026 4:00 pm CT on KET

NOVA Universe Revealed: Big Bang - S48 E19

Premiered On: 11/24/2021

Nova probes the mystery of the Big Bang with stunning animation based on space telescope images.

  • Friday November 20, 2026 5:00 pm ET on KET
  • Friday November 20, 2026 4:00 pm CT on KET
Jump to Upcoming Airdates

Recent

Evolution: Brain Power - S53 E13

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

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
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