Underwater Universe presents a comprehensive look at the fascinating dark side of the world’s oceans. Explore the five deadly forces of the ocean--Tides and Currents, Pressure, Waves, and Predators. These are the Ocean's unpredictable governing powers, deadly forces that have brought terror and destruction throughout history. With breathtaking underwater cinematography, submersible expedition footage and new scientific information, Underwater Universe reveals the secrets of this vast frontier.