Summary Spanning over two thirds of our planet, the world's oceans are home to creatures that can be traced back to Earth's humble beginnings. A world where life blossoms...And danger lurks. These are the world's Ultimate Oceans. Across the three breathtaking episodes, this extraordinary series will enter the world below the waves and uncover an enchanted place filled with infinite secrets, mysteries and hidden wonders. Our oceans are a place where life hangs in the balance, and each creature must play its part in a never-ending cycle. Ruled by the tides, guided by instinct, all who live here - from the small to the huge - have their place in a delicate, perfectly balanced system - Against all odds, every day is a race to be the fastest, biggest, smartest or most powerful. To survive, they must navigate their LIFE IN THE DEEP. View more details

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• Nature Documentary