Season 1 Season 16 , 2010 Season 17 , 2011 Season 19 , 2012 Season 20 , 2013 Season 21 , 2014 Season 22 , 2015 Season 23 TVNZ 2 , 2016 Season 24 TVNZ 2 , 2016 - 2017 Season 25 TVNZ 2 , 2018 Season 26 TVNZ 2 , 2019 Season 27 TVNZ 2 , 2020 Season 28 TVNZ 2 , 2021
, 2016