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Three dolphins swimming in the sea.

Changing Seas

All episodes with PBS Passport

Changing Seas

All episodes with PBS Passport

Produced by South Florida PBS in Miami, Florida, "Changing Seas" gives viewers a fish-eye view of life in the deep blue. Join scientists as they study earth’s last frontier and discover the mysteries of our liquid planet.

Watch this show and many more anytime, anywhere on the free PBS App.

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Upcoming Airdates

  • Sunday Jul 6, 6:00 PM PDT on PBS SoCal Plus
  • Sunday Jul 6, 6:30 PM PDT on PBS SoCal Plus
Mystery of the Humpback Whale Song
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26:42
Experts study the purpose of a male humpback whale's song.
Corals in Crisis
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26:42
Stony Coral Tissue Loss Disease is devastating Florida’s fragile coral reef.
Toxic Waters
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26:47
Scientists work to understand what causes toxic algal blooms.
The Cordell Bank: A National Treasure
26:42
Discover the Cordell Bank, a magical underwater island few people have ever heard of.
Fishing the Flats for Science
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26:42
Scientists study tarpon, bonefish and permit to better understand their behaviors.
Lords of the Wetlands
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26:42
Scientists work to save crocodiles through research and conservation.
Cryptic Critters
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26:42
Deep underwater, on a shipwreck near Key West, lives a tiny potential new threat.
Dolphins: Breaking the Code
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26:43
Modern technology is making it possible to correlate dolphin sounds and behavior.
Majestic Mantas
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27:13
Scientists experimant to see if giant manta rays are impacted negatively by microplastics.
The Fate of Carbon
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27:13
Changes to the ocean environment affect the way carbon is cycled through the seas.
Toxic Algae: Complex Sources and Solutions
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27:13
Lake Okeechobee, once the blue heart of Florida, now has putrid mats of blue green algae.
The Future of Seafood
27:18
Discover ways to increase fish production in a sustainable manner.
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