12. Shark Nation

While global shark populations have plummeted by more than 90% due to commercial overfishing, one sanctuary remains a vibrant exception: the Bahamas. This episode follows dedicated shark advocates and marine biologists across the Bahamian island chain to examine how the nation's strict, long-standing protection laws have allowed diverse shark species to thrive. The program showcases the delicate balance of the local ecosystem and proves that well-regulated eco-tourism can become a powerful force for species survival.