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.

Ireland’s Deep Atlantic sees underwater cameraman Ken O’Sullivan embark on a series of voyages out into the open North Atlantic in search of large whales, sharks and cold water coral reefs 3,000 down on Ireland’s deep sea bed. The two-part series will document many of these creatures’ behaviour for the first time in any TV programme and investigate the health of our deep Atlantic waters.

In this six-part series Ron and Valerie Taylor travel in the underwater world showing the special relationship Valerie has developed with the creatures of the blue wilderness. Now she fights for the future of these creatures.