TV series
Submerge. Discover. Engage.
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.
Availability
Checked Jul 22, 2026
Changing Seas premiered January 27, 2009. We don't have a confirmed streaming, rental or purchase option yet.
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.
Choose an episode, then use the watch options above for the show.
Episode 1
After sea turtle hatchlings emerge from their nests, they vanish into the sea. Until recently, their journey was largely shrouded in mystery. Now, as technology advances, researchers are beginning to understand where turtles go during their so-called “lost years.”
Where to watch Changing SeasEpisode 2
Each year, thousands of tourists interact with the tame southern stingrays that congregate in the shallow waters of Grand Cayman’s North Sound. Famous marine artist and scientist Dr. Guy Harvey has assembled a research team to study what impact the ecotourism might have on the wild fish.
Where to watch Changing SeasEpisode 3
The unique oceanographic conditions of the eastern tropical Pacific make the area one of the best spots in the world for big game anglers to hook billfish. But intense pressures from commercial fishing operations have taken their toll on the numbers of sailfish and marlin in the region. Researchers are studying the animals to provide the data necessary to protect the fish populations from further decline.
Where to watch Changing SeasEpisode 4
Most people are familiar with the pretty tropical fish found in aquariums, but few realize that some of these animals are capable of changing sex. Discover the unique ways of how some fish species do this and why they likely evolved this way.
Where to watch Changing SeasEpisode information updated Jul 26, 2026
Available now in United States
These shows are available now and closely match Changing Seas.
Craig SechlerNarrator (voice)
Peter ThomasNarrator (voice)
PBSUnited States
South Florida PBSUnited States
Symbio StudiosUnited States
