Explores the endless diversity of life in the sea, from the humpback whale and its hour-long songs to the coral colonies that spawn all their young in a single night.

"This bold cinematic experience takes viewers on a magical adventure across the greatest, yet least known parts of our planet - our oceans. Since Blue Planet aired in 2001, our understanding of life beneath the waves has completely changed. Travelling from the icy polar seas to the vibrant blues of the coral atolls, Blue Planet II shares these astonishing new discoveries. Meet the strange octopuses lurking in the depths of the Antarctic ocean. Watch...

""The oceans have always shaped human lives," writes marine biologist Helen Scales in her vibrant new book The Brilliant Abyss, but the surface and the very edges have so far mattered the most. "However, one way or another, the future ocean is the deep ocean." A golden era of deep-sea discovery is underway. Revolutionary studies in the deep are rewriting the very notion of life on Earth and the rules of what is possible. In the process, the abyss...