Air date: 2016-10-30

Runtime: 45 min

The Kermadec Islands are in New Zealand's northern-most waters, and during a spring plankton bloom triggers a carnival of life, from tiny coral polyps to the largest humpback whales.

Air date: 2016-11-06

Runtime: 45 min

Around White Island, common dolphins, Australasian gannets and local reef residents adapt to survive the toxin conditions on New Zealand's most active volcano.

Air date: 2016-11-13

Runtime: 45 min

New Zealand's remote Chatham Islands attract roaming predators from all over the South Pacific - but the resident blue cod and brown skuas might just be the most ferocious of all.

Air date: 2016-11-20

Runtime: 45 min

In the wettest corner of New Zealand, where alien ocean creatures flourish under a freshwater layer, crested penguins struggle to raise their chicks in the midst of a harsh Fiordland winter.

Air date: 2016-11-27

Runtime: 45 min

Every summer, massive congregations of New Zealand sea lions and giant spider crabs descend upon the sub-Antarctic Auckland Islands to carry out their violent breeding rituals.

Air date: 2016-12-04

Runtime: 45 min

In Banks Peninsula's bays, tiny penguins, Hector's dolphins, and wetland birds experience a dramatic spring and summer as the epic migration of an ancient longfin eel concludes.