TV series

Changing Seas

2009TV-G18 seasons

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.

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Availability

Not streaming in United States

Checked Jul 22, 2026

Changing Seas premiered January 27, 2009. We don't have a confirmed streaming, rental or purchase option yet.

Synopsis

Season 6 episodes

Choose an episode, then use the watch options above for the show.

← Season 5Season 7 →

Episode 1

Living Fossils

Jun 18, 2014

Crinoids have been around in various forms since before the age of dinosaurs. Now experts descend into the deep to study the animals from a submersible.

Where to watch Changing Seas

Episode 2

Biggest Fish in the Sea

Jun 18, 2014

Each summer, the world's largest known aggregation of whale sharks occurs just off the coast of Cancun, Mexico, giving experts the opportunity to learn more about the largest fish in the sea.

Where to watch Changing Seas

Episode 3

Galápagos: Windows into the Future

Jun 25, 2014

The unique oceanic conditions of the Galápagos Islands serve as a perfect natural laboratory to study how climate change may impact corals in the future.

Where to watch Changing Seas

Episode 4

Saving Sawfish

Jun 25, 2014finale

Strange and prehistoric-looking, Smalltooth Sawfish were once coveted by anglers as popular trophy fish. But habitat loss and overfishing have greatly reduced the animals' range and landed them on the endangered species list in 2003.

Where to watch Changing Seas

Episode information updated Jul 26, 2026

Available now in United States