All Available Season All Season Specials Apr, 2003 1 episodes 0.0 Season 1 Oct, 2001 24 episodes 8.4 Season 2 Sep, 2002 22 episodes 8.4 Season 3 Oct, 2003 22 episodes 8.6 Season 4 Aug, 2004 25 episodes 8.4 Season 5 Jan, 2006 24 episodes 8.5 Season 6 Nov, 2006 22 episodes 7.9 Season 7 Oct, 2007 11 episodes 8.1 Season 8 Jan, 2009 18 episodes 8.4 Season 9 Dec, 2009 13 episodes 6.6
