Underwater Universe 4 - Killer Shockwaves

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Five deadly forces, four turbulent episodes, one powerful surge of entertainment.

Welcome to the ocean's dark side. Building on the History Channel's successful Underwater Universe special, this new limited series goes deep to explore undersea forces that have brought terror and
destruction to our planet throughout history. Beneath the surface of our oceans, 

1 - tides and currents, 

2 - predators,

3 -  lethal pressure and 

4 - killer shockwaves create ongoing and ominous threats.

 CGI animation, heart-stopping cinematography and submersible expedition footage shed new light on

hard science, dramatic historical stories and riveting first-person accounts.