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Mystery of the Spinning Fish | Changing Seas | Preview

Between late 2023 and the spring of 2024 more than 80 species of fish were observed spinning in the Florida Keys. While most were able to recover, a large number of endangered smalltooth sawfish died. A group of multidisciplinary scientists is trying to piece together what happened in the environment to cause this unusual phenomenon.
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Preview Length 04:11 Premiere: 06/24/25

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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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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Recent

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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