Meet Mara, an endearing lion cub striving to be like her mother; Sita, a cheetah and single mother of five; and Fang, a proud leader of the pride who must defend his family from a rival lion.

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.