All Available Season All Season Specials Dec, 2010 9 episodes 0.0 Season 1 Jun, 2010 10 episodes 7.6 Season 2 Jan, 2011 22 episodes 7.5 Season 3 Nov, 2011 24 episodes 7.4 Season 4 Nov, 2012 24 episodes 7.6 Season 5 Mar, 2014 24 episodes 7.3 Season 6 Nov, 2014 24 episodes 7.0
