Season 1 Seven Network , 2006 Watch now Season 2 Seven Network , 2007 Season 3 Seven Network , 2008 Season 4 Seven Network , 2009 Watch now Season 5 Seven Network , 2009 Watch now Season 6 Seven Network , 2010 Watch now Season 7 Seven Network , 2010 Watch now Season 8 Seven Network , 2011 Watch now Season 9 Seven Network , 2012 Watch now Season 10 Seven Network , 2013 Watch now Season 11 Seven Network , 2014 Watch now Season 12 Seven Network , 2015 - 2016 Watch now Season 13 Seven Network , 2017 Season 14 Seven Network , 2018 Season 15 Seven Network , 2019 Season 16 Seven Network , 2020