Ocean of Islands

S1, E1: The extraordinary isolation of the South Pacific islands has created the most curious, surprising and precarious examples of life found anywhere on Earth; from giant crabs that tear open coconuts, to flesh eating caterpillars that impale their prey on dagger like claws. Human culture is quite different here too. The men of Pentecost Island celebrate their annual harvest by leaping from 20 metre wooden scaffolds with only forest vines to break their fall.