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Changing Seas

A Decade after Deepwater

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Clips & Previews

Season 12 Episodes

American Samoa’s Resilient Coral Reefs
S12 E1204 Length 26:53 Premiere Date 11/02/20

Peru’s Desert Penguins
S12 E1203 Length 26:42 Premiere Date 11/02/20

A Decade after Deepwater
S12 E1202 Length 26:42 Premiere Date 11/02/20

American Samoa's Resilient Coral Reefs | Trailer
Preview Length 02:30 Premiere Date 06/29/20

Peru’s Desert Penguins | Trailer
Preview Length 02:27 Premiere Date 06/24/20

A Decade After Deepwater | Trailer
Preview Length 03:16 Premiere Date 06/11/20

Florida’s Blue Holes: Oases in the Sea | Trailer
Preview Length 03:24 Premiere Date 06/08/20

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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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