All Available Season All Season Specials Mar, 2001 2 episodes 0.0 Series 1 Apr, 2002 4 episodes 6.1 Series 2 Mar, 2003 4 episodes 6.5 Series 3 Mar, 2004 4 episodes 3.8 Series 4 Mar, 2005 4 episodes 0.0 Series 5 Jul, 2006 4 episodes 6.8 Series 6 Aug, 2007 2 episodes 8.5
