Season 1 RTÉ ONE , 2009 Season 2 RTÉ ONE , 2010 Season 3 RTÉ ONE , 2011 Season 4 RTÉ ONE , 2012 Season 5 RTÉ ONE , 2013 Season 6 RTÉ ONE , 2014 Season 7 RTÉ ONE , 2016 Season 8 RTÉ ONE , 2017
, 2009