Submerge yourself into the Blue Realm! This natural history television series is about amazing creatures of the sea. Utilizing superb High-Definition imagery, engaging stories, and leading marine scientists the series takes viewers on extraordinary journeys of discovery! Danny Mauro has developed and filmed over 100 programs about the marine environment. The featured 4 documentaries on this disc are The Shark Divers, Shark Business, Whale Sharks: Gentle Giants and Giants of San Benedicto.