Season 1 BBC Two , 1996 - 1997 Watch now Season 2 BBC Two , 1997 Watch now Season 3 BBC Two , 1998 Watch now Season 4 BBC Two , 1998 Season 5 BBC Two , 1999 Season 6 BBC Two , 1999 - 2000 Season 7 BBC Two , 2000 Season 8 BBC Two , 2001 Season 9 BBC Two , 2001 Season 10 BBC Two , 2002 Season 11 BBC Two , 2002 Season 12 BBC Two , 2003 Season 13 BBC Two , 2003 Season 14 BBC Two , 2004 Season 15 BBC Two , 2004 Season 16 BBC Two , 2005 Season 17 BBC Two , 2005 Season 18 BBC Two , 2006 Season 19 BBC Two , 2006 Season 20 BBC Two , 2007 Season 21 BBC Two , 2007 - 2008 Season 22 BBC Two , 2008 - 2011 Season 23 BBC Two , 2009 Season 24 BBC Two , 2010 - 2011 Season 25 BBC Two , 2011 Season 26 BBC Two , 2012 Season 27 BBC Two , 2013 Season 28 BBC Two , 2014 - 2015