A fascinating look at the dark side of our oceans

Five deadly forces, four turbulent episodes, one powerful surge of entertainment.Welcome to the ocean's dark side. Building on HISTORY's successful UnderwaterUniverse special, this new limited series goes deep to explore undersea forces that havebrought terror and destruction to our planet throughout history. Beneath the surface of ouroceans, tides and currents, predators, lethal pressure and killer shockwaves create ongoingand ominous threats. CGI animation, heart-stopping cinematography and submersibleexpedition footage shed new light on hard science, dramatic historical stories and rivetingfirst-person accounts.