All Available Season All Season Specials Dec, 2013 5 episodes 0.0 Series 1 Aug, 2012 6 episodes 0.0 Series 2 Oct, 2013 7 episodes 3.0 Series 3 Oct, 2014 7 episodes 0.0 Series 4 Oct, 2015 7 episodes 0.0 Series 5 Nov, 2016 7 episodes 0.0