Thalassa

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.

Following his visit to the Great Barrier Reef in 1957, naturalist and broadcaster David Attenborough returns and uses the latest filming techniques to unlock the secrets of the natural wonder.

A showcase of the wonders, secrets and fragilities of the Americas, narrated by Tom Hanks.

In a picturesque South African town, an eclectic group of endangered penguins flock together to find mates, raise families and mix with the locals.

David Attenborough uses pioneering 3D-techniques and technology to explore the unique environments and species of the Galapagos.