Keith Scholey

Attenborough explores the planet's undersea habitats, revealing the greatest age of ocean discovery and emphasizing the ocean's vital importance while exposing its problems and highlighting opportunities for marine life recovery.

One man has seen more of the natural world than any other. This unique feature documentary is his witness statement.

Echo, a young Pacific dolphin, seems far more interested in exploring his spectacular coral reef home than learning to survive in it. But lessons from his family may encourage Echo to master his vital role in the marine community.