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Florida’s Blue Holes: Oases in the Sea | Trailer

Blue holes scattered throughout the Gulf of Mexico inspire a team of exploration scientists and divers who set out to uncover the mysteries of what makes them ecological oases.
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Preview Length 03:24 Premiere: 06/08/20

Changing Seas

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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

Eagle Rays: Soaring on Spotted Wings - S16 E2

Despite its global "endangered" status, little is known about the white-spotted eagle ray. Now, Florida scientists are employing cutting-edge technology and innovative approaches to gain deeper insight into this elegant fish's movement and diet.

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

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