Eight years after his low-budget debut Piranha II: The Spawning and eight years before his international box-office smash Titanic, director James Cameron was again drawn to the water for this epic, sci-fi adventure. Groundbreaking special effects were put to use to tell the story of a civilian oil rig recruited for a search and rescue mission after a nuclear submarine sinks. Diving 25,000 feet below the ocean's surface, they discover a mysterious force with the power to change the world or destroy it. Ed Harris, Mary Elizabeth Mastrantonio and Michael Biehn star. This special edition includes 28 minutes of restored footage not shown in the original theatrical   James Cameron---USA---1989---171 mins.