Season 1 Channel 5 , 1999 Watch now Season 2 Channel 5 , 1999 Watch now Season 3 Channel 5 , 1999 - 2000 Watch now Season 4 Channel 5 , 2000 Watch now Season 5 Channel 5 , 2001 Watch now Season 6 Channel 5 , 2002 Watch now Season 7 Channel 5 , 2003 Watch now Season 8 Channel 5 , 2003 Watch now Season 9 BBC One , 2004 Watch now Season 10 BBC One , 2005 Watch now Season 11 BBC One , 2005 Watch now Season 12 BBC One , 2006 Watch now Season 13 Channel 5 , 2006 Watch now Season 14 Channel 5 , 2007 Watch now Season 15 Channel 5 , 2007 Watch now Season 16 BBC One , 2008 - 2009 Watch now Season 17 Channel 5 , 2010 Watch now Season 18 BBC One , 2011 - 2012 Watch now