Oliver goes on a wild goose chase and uncovers the hidden history of a remarkable singing star and historian Riria Hotere reveals the plan to breed super kakapo on the remote island of Whenua Hou, off Stewart Island's northwest corner.
Oliver has his world turned upside down in Pauanui and marine biologist Jacky Geurts delves into Whangamata's mangrove wars and gets to grips with the treacherous surf rip at Hotwater Beach. Campbell also digs for this country's earliest human history on Great Mercury Island.