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
The humpback whale population that migrates between Hawaii and Alaska is considered a conservation success story. When sightings of the animals suddenly dropped, people became concerned. Scientists in both locations are trying to understand what happened to the whales and why.
Where to watch Changing SeasEpisode 2
How does the body size and overall health of humpback whales change across their migratory cycle? A team of researchers studying the animals, which spend part of the year feeding in Alaska and a few months fasting while in their Hawaiian breeding grounds, is making remarkable discoveries.
Where to watch Changing SeasEpisode 3
Kelp forests have played an essential role in the Puget Sound ecosystem for thousands of years. Today, kelp is in decline. Experts work against time to conserve and restore them.
Where to watch Changing SeasEpisode 4
Florida's iconic sea cows are dying in record numbers. Years of declining seagrass beds have eliminated one of the gentle giants' primary food sources. Now wildlife managers have taken the unprecedented step of feeding the animals, while scientists are in a race against time to restore the lost seagrass.
Where to watch Changing SeasEpisode information updated Jul 26, 2026
Available now in United States
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