Click here to visit our new site --> CafeDVD 2.0 Underwaterworld Trilogy: Deep Encounters/ Ocean Al (1999) Rating: Starring: Underwaterworld Trilogy Director: Category: Documentary, Special Interest Studio: Image Ent. Subtitles: Length: 156 mins     The Underwaterworld is a harsh and competitive environment. These three programs illustrate the many different factors that dictate life underwater and how marine animals survive together in this wondrous realm. Deep Encounters: The harsh reality of life in the underwaterworld is that it always pays to watch your back! This film reveals the hunters and the hunted- including sharks and their prey. Ocean Allies: This film illustrates the friendships and relationships that creatures have formed to help each other survive, from shoaling to living on another creature's back- or even inside! Blue Voices: Examines how air breathing mammals and other unlikely animals cope with the special demands of aquatic life, including high pressure and lack of oxygen.