Episode Guide
Season 1
Episode Guide
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.
Bahamas: Exuma Cays
S1
E5
Once a haven for pirates and smugglers, these tiny islands are now a thriving haven for marine life.