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Peru’s Desert Penguins | Trailer

Along Peru’s barren coastline seabirds reign. Among them is the adorable Humboldt penguin, which builds its nests in the guano of other birds. Scientists monitor local penguin populations and study the animals’ interactions with fisheries.
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Preview Length 02:27 Premiere: 06/24/20

Changing Seas

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Season Episodes

The Elephant Seals of Año Nuevo
S17 E1704 Length 26:42 Premiere Date 11/01/25

Mystery of the Spinning Fish
S17 E1703 Length 26:42 Premiere Date 11/01/25

Whales in a Plastic Ocean
S17 E1702 Length 26:46 Premiere Date 11/01/25

Costa Rica's Surfing Paradise
S17 E1701 Length 26:46 Premiere Date 11/01/25

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TV Schedules

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Upcoming

Costa Rica's Surfing Paradise - S17 E1

A coastal community unites to protect their surf break, restore vital habitats and safeguard nesting sea turtles in Costa Rica's Playa Hermosa.

  • Thursday April 23, 2026 8:30 am ET on KET2
  • Thursday April 23, 2026 7:30 am CT on KET2

Whales in a Plastic Ocean - S17 E2

Floating plastic trash impacts the Portuguese island of Madeira. Researchers study the effects these plastics have on the health of marine mammals that frequent local waters.

  • Thursday April 30, 2026 8:30 am ET on KET2
  • Thursday April 30, 2026 7:30 am CT on KET2

Mystery of the Spinning Fish - S17 E3

Scientists try to piece together what caused more than 80 species of fish to spin in the Florida Keys in the winter and spring of 2023 and 2024.

  • Thursday May 7, 2026 8:30 am ET on KET2
  • Thursday May 7, 2026 7:30 am CT on KET2

The Elephant Seals of Ano Nuevo - S17 E4

Scientists from the University of California, Santa Cruz, collaborate with a thriving colony of elephant seals to better understand their life cycles at Ano Nuevo State Park.

  • Thursday May 14, 2026 8:30 am ET on KET2
  • Thursday May 14, 2026 7:30 am CT on KET2

Alien Invaders - S3 E1

Premiered On: 01/02/2018

In the waters of the western Atlantic and Caribbean, a voracious alien predator has taken hold. Native to the Indo-Pacific, the invasive lionfish is a major threat to biodiversity and the health of already stressed coral reef ecosystems.

  • Thursday May 21, 2026 8:30 am ET on KET2
  • Thursday May 21, 2026 7:30 am CT on KET2
Jump to Upcoming Airdates

Recent

California Sea Otters: Life on the Edge - S16 E4

  • Thursday April 16, 2026 8:30 am ET on KET2
  • Thursday April 16, 2026 7:30 am CT on KET2

Maui Aloha 'aina: From Mauka to Makai - S16 E3

  • Thursday April 9, 2026 8:30 am ET on KET2
  • Thursday April 9, 2026 7:30 am CT on KET2

Eagle Rays: Soaring on Spotted Wings - S16 E2

  • Thursday April 2, 2026 11:30 am ET on KET2
  • Thursday April 2, 2026 10:30 am CT on KET2

Ancient Adriatic: Croatia's Sunken History - S16 E1

  • Thursday March 26, 2026 11:30 am ET on KET2
  • Thursday March 26, 2026 10:30 am CT on KET2

Life in the Dark: The Polar Night - S15 E4

  • Thursday March 19, 2026 11:30 am ET on KET2
  • Thursday March 19, 2026 10:30 am CT on KET2
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