Indian Ocean: Coastal

S1, E6: The team explores the coastal waters of the Indian Ocean to discover what happens when its power collides with the edge of a continent. The team also search for one of the ocean's most mysterious creatures, the seahorse, to see how the population is fairing amid increasing demand from the eastern medicine market. Plus, there's a dive in search of the sunken remains of a medieval village, dragged into the sea by a cyclone.