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Episode 5: The Calling

The Calling

Season 4 Episode 5
53:05
When Whales Could Walk

When Whales Could Walk

Season 51 Episode 1
53:31
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Changing Seas

Mystery of the Spinning Fish

Season 17 Episode 1703

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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Billfish: Battle on the Line
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26:44
Researchers provide data necessary to protect fish populations from further decline.
Grand Canyman's Famous Stingrays
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26:42
Researchers study what impact ecotourism might have on southern stingrays.
Sea Turtles: The Lost Years
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26:43
Researchers are beginning to understand where turtles go during their “lost years.”
Saving Sawfish
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26:54
Scientists conduct research to save the Smalltooth Sawfish.
Galapagos: Window into the Future
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27:02
Scientists spend a month in the Galapagos Islands to conduct research.
Biggest Fish in the Sea
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26:54
The world’s largest known aggregation of whale sharks occurs just off the coast of Cancun.
Living Fossils
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26:48
Discover Crinoids which have been around since before the age of Dinosaurs.
Reefs of Rangiroa
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26:46
The Changing Seas team meets with researchers in French Polynesia.
Creatures of the Deep
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26:46
New research sheds light on the lives of mysterious creatures of the deep.
Sunken Stories
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26:45
Divers from around the country learn how to map shipwrecks.
Coral Hybrids
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26:45
Follow one scientist studying coral in Belize.
Coastal Carnivores
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27:14
Scientists studying the coastal Everglades make some perplexing discoveries.
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