All Available Season All Season Specials Jan, 0001 2 episodes 0.0 Season 1 Sep, 2001 22 episodes 7.5 Season 2 Sep, 2002 23 episodes 7.3 Season 3 Sep, 2003 21 episodes 7.2 Season 4 Sep, 2004 23 episodes 7.0 Season 5 Sep, 2005 22 episodes 7.8 Season 6 Sep, 2006 22 episodes 7.5 Season 7 Oct, 2007 22 episodes 7.3 Season 8 Apr, 2009 16 episodes 6.7 Season 9 Mar, 2010 16 episodes 6.3 Season 10 May, 2011 8 episodes 7.3
