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Explore two of the best-preserved wooden shipwrecks in the world, lying at the bottom of Lake Ontario in Canada.
Enter the hazardous South China Sea, home of sharks, pirates, and the underwater grave of two downed American World War II submarines.
Go where few divers have gone before, the perilous Mekong River, home of a buried treasure and a century-old mystery.
Just 130 feet under water, a mysterious ship rests, its secrets guarded by dangerous sharks and treacherous waters.
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- Rating: TV-PG
- Premise: A father-and-son diving team explores wrecks and underwater mysteries. (more)