Ocean Mysteries

Host Jeff Corwin joins scientists and volunteers from Harbor Branch at Florida Atlantic University' Health and Environmental Risk Assessment team to study Atlantic bottlenose dolphin health in Florida' Indian River Lagoon and uncover why these animals are the sentinels for the entire ecosystem.

Host Jeff Corwin explores Aialik Glacier and visits the Alaska SeaLife Center, where he meets an orphaned harbor seal named Ali. Jeff helps the ASLC staff nurse Ali back to health and prepare for Ali' release back to the wild.

Host Jeff Corwin teams up with the Alaska SeaLife Center to uncover the reasons behind the decline of some Steller sea lion populations. Jeff travels to remote Grotto Island to witness sea lions in their natural habitat.

Host Jeff Corwin explores the incredible life cycle of Alaskan salmon and joins the conservation teams working to protect this amazing species. From collecting salmon eggs, watching them grow, releasing them into streams, and following them to the ocean.

Host Jeff Corwin travels aboard a research boat off the coast of Alaska for a three-day adventure with Steller sea lions. Despite continued protection and conservation, the populations of western Steller sea lions are not improving.

Host Jeff Corwin remembers some of his most exciting deep-water dives from the series, including hunting for lionfish, visiting an underwater coral garden, exploring an ancient deep-water archeological dig, and experiencing the thrill of a nighttime swim with manta rays.