South Pacific

This episode explores some of the strange creatures that have developed in isolation, such as flesh-eating caterpillars and huge crabs. Also included is a look at some of the isolated human communities in the region.

The most heavenly of South Pacific islands owe their origins to a violent birth of fire and volcanism. Witness the rising of new lands, their fall, and the eventual growth of atolls ringed by jeweled tropical reefs.

From sperm whales to giant turtles, the South Pacific Ocean is home to creatures like no other. The lives of these animals are intertwined with the story of the ocean itself, and they must go to extraordinary lengths to survive.

This episode examines how life evolved on the remote islands of the region. From a gecko that gives birth without having a mate, to the frog that needs no water for its tadpoles, the creatures have some amazing adaptations.

The dangers posed by invasive species on Pacific islands are explored. Often, these new arrivals decimate the native species that are well adapted to island life. Among the islands visited are New Zealand, Hawaii and Vanuatu.

A look at important issues facing Pacific Islanders, such as commercial fishing and that industry's impact on the wider ecosystem. The effects of climate change are also explored as water levels rise and coral reefs are destroyed.