PBS Nature is set to screen Ocean Giants, a three-part series previously aired by the BBC. it was filmed by Doug Allen and Didier Noirot and looks at how cetaceans hunt, mate, and communicate, and follows scientists as they strive to uncover new insights about these animals. The first episode, Giant Lives, enters the world of the great whales. The second, Deep Thinkers, explores the cognitive and emotional lives of dolphins and whales while the last episode focuses on marine mammals’ extrasensory perceptions and communication skills in the Voices of the Sea.

Ocean Giants will air on PBS Nature on 22 February.