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Mystery of the Spinning Fish

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.
Season 17 Episode 1703 Length 26:42 Premiere: 11/01/25

Changing Seas

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Season 17 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

Costa Rica's Surfing Paradise | Changing Seas | Preview
Preview Length 04:54 Premiere Date 06/24/25

Whales in a Plastic Ocean | Changing Seas | Preview
Preview Length 02:59 Premiere Date 06/24/25

Mystery of the Spinning Fish | Changing Seas | Preview
Preview Length 04:11 Premiere Date 06/24/25

The Elephant Seals of Año Nuevo | Changing Seas | Preview
Preview Length 04:43 Premiere Date 06/24/25

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Prescription: Oceans - S3 E3

Premiered On: 01/16/2018

In Florida, a group of scientists are testing sea sponges for their potential anti-cancer properties. These and other marine invertebrates may hold the key to unlocking the secrets of our own biology.

  • Thursday June 4, 2026 8:30 am ET on KET2
  • Thursday June 4, 2026 7:30 am CT on KET2

After the Spill - S3 E4

Premiered On: 01/23/2018

Oceanographers continue to study the long-term effects last year's oil spill in the Gulf of Mexico.

  • Thursday June 11, 2026 8:30 am ET on KET2
  • Thursday June 11, 2026 7:30 am CT on KET2
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Reef Revival - S3 E2

  • Thursday May 28, 2026 8:30 am ET on KET2
  • Thursday May 28, 2026 7:30 am CT on KET2

Alien Invaders - S3 E1

  • Thursday May 21, 2026 8:30 am ET on KET2
  • Thursday May 21, 2026 7:30 am CT on KET2

The Elephant Seals of Ano Nuevo - S17 E4

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

Mystery of the Spinning Fish - S17 E3

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