Season 1 TVNZ 1 , 2012 Season 2 TVNZ 1 , 2014 Season 3 TVNZ 1 , 2015 - 2017 Season 4 TVNZ 1 , 2018 Season 5 TVNZ 1 , 2019 - 2020 Watch now Season 6 TVNZ 1 , 2021 Watch now Season 7 TVNZ 1 , 2023