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Whales in a Plastic Ocean | Changing Seas | Preview

Far out in the eastern Atlantic, the Portuguese island of Madeira rises from the depths of the open ocean. Despite its remote location, the archipelago is impacted by floating plastic trash. Researchers with MARE-Madeira study the effects plastics, and their chemical compounds, have on the health of marine mammals that frequent local waters.
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Preview Length 02:59 Premiere: 06/24/25

Changing Seas

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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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Sharks in Belize: Jaguars of the Sea - S15 E2

Catching and tagging sharks along the Belize Barrier Reef, local fishers leverage their generational knowledge to help marine scientists and fisheries managers keep shark populations healthy for all.

  • Thursday March 5, 2026 11:30 am ET on KET2
  • Thursday March 5, 2026 10:30 am CT on KET2

Bermuda: Life at Ocean's Edge - S15 E3

Bermuda's reefs offer clues to protect the islands from the accelerating impacts of a changing climate.

  • Thursday March 12, 2026 11:30 am ET on KET2
  • Thursday March 12, 2026 10:30 am CT on KET2

Life in the Dark: The Polar Night - S15 E4

At the northernmost research station in the world, scientists brave the cold and darkness to understand how some of the tiniest animals survive at a time of year when their main food source is not available.

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

Ancient Adriatic: Croatia's Sunken History - S16 E1

Marine archaeologists uncover a Roman shipwreck on Croatia's Adriatic Coast.

  • Thursday March 26, 2026 11:30 am ET on KET2
  • Thursday March 26, 2026 10:30 am CT on KET2
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Life in the Dark: The Polar Night - S15 E4

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

Bermuda: Life at Ocean's Edge - S15 E3

  • Thursday February 12, 2026 11:30 am ET on KET2
  • Thursday February 12, 2026 10:30 am CT on KET2

Sharks in Belize: Jaguars of the Sea - S15 E2

  • Thursday February 5, 2026 11:30 am ET on KET2
  • Thursday February 5, 2026 10:30 am CT on KET2

Mollusks: More Than a Shell - S15 E1

  • Thursday February 26, 2026 11:30 am ET on KET2
  • Thursday February 26, 2026 10:30 am CT on KET2
  • Thursday January 29, 2026 11:30 am ET on KET2
  • Thursday January 29, 2026 10:30 am CT on KET2
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