All Available Season All Season Specials Sep, 2018 7 episodes 0.0 Season 1 Jan, 2008 19 episodes 0.0 Season 2 Nov, 2008 20 episodes 0.0 Season 3 Nov, 2009 22 episodes 0.0 Season 4 Apr, 2011 19 episodes 0.0 Season 5 Feb, 2017 13 episodes 0.0