Season 1 tvN , 2011 - 2012 Season 2 tvN , 2012 Season 3 tvN , 2012 Season 4 tvN , 2013 Season 5 tvN , 2014 Season 6 tvN , 2015 Season 7 tvN , 2016 Season 8 tvN , 2016 Season 9 tvN , 2017
, 2011 - 2012
