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Why Are These Urban Lizards Evolving in Overdrive?

Puerto Rican Crested Anoles are a prime example of adaptation in action. In just a few decades, these city-dwelling lizards have undergone remarkable evolutionary changes to thrive in an urban landscape. Longer limbs, stickier toe pads, and higher heat tolerance are just a few of the adaptations they've developed. Discover this captivating world with Shane Campbell-Staton and Kristin Winchell.
Length 10:33 Premiere: 03/13/24

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Specials

Season Episodes

Vanishing Act
S2 E6 Length 55:39 Premiere Date 07/30/25

Dammed If You Do
S2 E5 Length 55:08 Premiere Date 07/23/25

The Honey Trap
S2 E4 Length 55:09 Premiere Date 07/16/25

Dressed to Kill
S2 E3 Length 55:09 Premiere Date 07/09/25

The Enemy of My Enemy
S2 E2 Length 55:13 Premiere Date 07/02/25

Shelf Life
S2 E1 Length 55:07 Premiere Date 06/25/25

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Upcoming

The Ground Below - S1 E6

Shane explores the history and science of cotton. A prehistoric coastline from North Carolina to Texas laid the foundation for a crop that reshaped our history, our culture and even our DNA.

  • Tuesday July 21, 2026 4:00 am ET on KET2
  • Tuesday July 21, 2026 3:00 am CT on KET2

Shelf Life - S2 E1

Shane travels from New York City to rural Thailand to discover how supermarkets have reshaped our lives and planet.

  • Sunday July 26, 2026 10:00 pm ET on KET2
  • Sunday July 26, 2026 9:00 pm CT on KET2
  • Tuesday July 28, 2026 4:00 am ET on KET2
  • Tuesday July 28, 2026 3:00 am CT on KET2

The Enemy of My Enemy - S2 E2

We enlist allies from nature to fight in our battles. But is the enemy of an enemy always a friend?

  • Sunday August 2, 2026 10:00 pm ET on KET2
  • Sunday August 2, 2026 9:00 pm CT on KET2
  • Tuesday August 4, 2026 4:00 am ET on KET2
  • Tuesday August 4, 2026 3:00 am CT on KET2
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Recent

The Ground Below - S1 E6

  • Sunday July 19, 2026 10:00 pm ET on KET2
  • Sunday July 19, 2026 9:00 pm CT on KET2

The Urban Jungle - S1 E5

  • Tuesday July 14, 2026 4:00 am ET on KET2
  • Tuesday July 14, 2026 3:00 am CT on KET2
  • Sunday July 12, 2026 10:00 pm ET on KET2
  • Sunday July 12, 2026 9:00 pm CT on KET2

The Replacements - S1 E4

  • Tuesday July 7, 2026 4:00 am ET on KET2
  • Tuesday July 7, 2026 3:00 am CT on KET2
  • Sunday July 5, 2026 10:00 pm ET on KET2
  • Sunday July 5, 2026 9:00 pm CT on KET2

Man's Best Friend - S1 E3

  • Tuesday June 30, 2026 4:00 am ET on KET2
  • Tuesday June 30, 2026 3:00 am CT on KET2
  • Sunday June 28, 2026 10:00 pm ET on KET2
  • Sunday June 28, 2026 9:00 pm CT on KET2

Top Predator - S1 E2

  • Saturday June 27, 2026 4:30 am ET on KET2
  • Saturday June 27, 2026 3:30 am CT on KET2
  • Tuesday June 23, 2026 4:00 am ET on KET2
  • Tuesday June 23, 2026 3:00 am CT on KET2
  • Sunday June 21, 2026 10:00 pm ET on KET2
  • Sunday June 21, 2026 9:00 pm CT on KET2

Strangers in Paradise - S1 E1

  • Saturday June 20, 2026 4:30 am ET on KET2
  • Saturday June 20, 2026 3:30 am CT on KET2
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