All Available Season All Season Specials Jan, 0001 4 episodes 0.0 Season 1 Sep, 2006 23 episodes 7.0 Season 2 Sep, 2007 16 episodes 7.0 Season 3 Sep, 2008 24 episodes 7.7 Season 4 Sep, 2009 24 episodes 8.0 Season 5 Sep, 2010 22 episodes 7.9
