Underbelly NZ: Land of the Long Green Cloud is a six-part New Zealand television mini-series. The series originally aired from 17 August 2011 to 21 September 2011. It was the first Underbelly series to be created outside of Australia, and depicts events prior to and concurrent with Underbelly: A Tale of Two Cities.

An intimate story set during the 1860s in which a young Irish woman Sarah and her family find themselves on both sides of the turbulent wars between British and Maori during the British colonization of New Zealand.