Skip to main content
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.

Stream to your TV

Upcoming Airdates

  • Sunday Jul 20, 6:00 PM PDT on PBS SoCal Plus
  • Sunday Jul 20, 6:30 PM PDT on PBS SoCal Plus
Support Provided By
Majestic Mantas - Trailer
3:14
Scientists study manta rays in Mexico’s remote Revillagigedo Archipelago.
Beneath the Bridge - Trailer
3:05
Florida’s Blue Heron Bridge is popular with divers because of its rich marine life.
Maug’s Caldera: A Natural Laboratory - Trailer
4:48
The Maug Islands are a natural laboratory for scientists studying ocean acidification.
Manatees: Conserving a Marine Mammal - Trailer
2:00
Each winter, scientists head to Crystal River, Florida, to study manatees gathered there.
Sponges: Oldest Creatures in the Sea? - Trailer
3:08
Are sponges the oldest creatures in the sea? DNA research has cast doubt on that theory.
Billfish: Battle on the Line? - Trailer
2:17
Researchers study billfish in the eastern Pacific to protect the animals from overfishing.
The Secret Sex Life of Fish - Trailer
2:35
Discover the unique ways some fish species change sex during their lifetime.
Grand Cayman’s Famous Stingrays - Trailer
2:19
Dr. Guy Harvey and his team study the impact of ecotourism on Cayman’s iconic stingrays.
Saving Sawfish - Trailer
2:17
Scientists conduct research in South Florida to save the endangered Smalltooth Sawfish.
Sea Turtles: The Lost Years - Trailer
2:18
Researchers are beginning to understand where sea turtles go during their “lost years."
Galápagos:  Windows into the Future - Trailer
3:09
Scientists study how climate change may impact corals in the Galapagos Islands.
Biggest Fish in the Sea - Trailer
2:36
The world’s largest known gathering of whale sharks occurs just off the coast of Mexico.
Active loading indicator