Episode Guide
Season 1
Episode Guide
Bonaire National Marine Park
S1
E1
Dive into these crystal-clear Caribbean waters and glimpse the breathtakingly diverse undersea habitat.
Florida Keys National Marine Sanctuary
S1
E2
Visit the “Corridor of Life,” a vital sanctuary for some of America's most rare and endangered marine life.
Monterey Bay Marine Sanctuary
S1
E3
Learn how Monterey Bay was transformed from an ecological disaster into a lush and biodiverse underwater world.
Mesoamerican Reef
S1
E4
Meet the tireless activists working to save a threatened undersea world of ancient caverns and shark feeding grounds.