Brian Skerry

Hundreds of great white sharks have recently appeared on the doorstep of one of America’s most popular tourist destinations, hunting in ways never documented before. To understand why the sharks are here and what this means for Cape Cod, a team of scientists are studying this new phenomenon to try to keep people safe. Are the sharks changing the natural ecosystem … or restoring it?

Sigourney Weaver guides viewers on a journey to the heart of whale culture to experience the extraordinary communication skills and intricate social structures of five different whale species. With the help of new science and technology, viewers witness whales making lifelong friendships, teaching clan heritage and traditions to their young and grieving deeply for the loss of loved ones.

It is a story about the Gulf of Maine, a sea within the sea, a body of water that is warming 97% faster than the global ocean. What happens here to the animals in the water, to the jobs that are dependent upon it and to the millions of people living along its shores is likely to happen worldwide. We are at a crossroads for the future of the Gulf and all our oceans. Does it retain enough of its biodiversity and regenerative strength to weather the human-induced storm? Is the sheer beauty of this place and spectacular range of its creatures enough to wake us to what is at stake?