The sun and moon move billions of tons of water with every turn of the tide. The strongest tides empty entire bays, smash trees on riverbanks, and strand sea creatures on suddenly dry land. Weaker tides control the movements of huge numbers of fish, coaxing stingrays though astounding underwater arches. And as the water recedes, the tide can create unbelievable landscapes - like a sparkling world of salt crystals inhabited only by tiny shrimp and bright pink flamingos.
The BBC spent five years and $10 million to produce this landmark exploration of the ocean, a world we know less about than the moon. We go further out and deeper down to show you things that have never been seen before. The Blue Planet: Seas of Life reveals the sea and its communities at their most fearsome and alluring. Until now, we've only touched the surface...
The Blue Planet - Tidal Seas Synopsis and Schedule