The Coral Reef

S1 E6: Expedition divers will travel to the Cayman Islands to explore the Cayman Trench aboard a deep sea submersible. Divers will also examine the shallow coral reef and its nocturnal residents. In addition, this program will document the progress of a former Soviet warship sunk as an artificial reef off the coast of Cayman Brac. The rays of "Stingray City" will also be featured.