Anthony Morgan explores the extraordinary ways that animals hear and produce sound, and the crucial role sound plays in the lives of animals around the globe - from birth to surviving adulthood and finding a mate.

Traveling aboard the OceanXplorer, OceanX's state-of-the-art scientific research and exploration vessel, to investigate the farthest frontiers of the world's oceans, 80% of which are entirely unknown. Armed with advanced technology, a hand-picked team of intrepid explorers and scientists, National Geographic Explorers and other ocean experts embark on a global odyssey to solve some of the ocean's greatest mysteries through the lives of its animals and their ecosystems.