Season 1 RTÉ2 , 2009 Season 2 RTÉ2 , 2010 Season 3 RTÉ2 , 2010 Season 4 RTÉ2 , 2011 Season 5 RTÉ2 , 2011 Season 6 RTÉ2 , 2012 Season 7 RTÉ2 , 2012 Season 8 RTÉ2 , 2013 Season 9 RTÉ2 , 2013 Season 10 RTÉ2 , 2014 Season 11 RTÉ2 , 2014 Season 12 RTÉ2 , 2015 Season 13 RTÉ2 , 2015 Season 14 RTÉ2 , 2016 Season 15 RTÉ2 , 2016