Season 1 BBC Two , 2001 - 2002 Season 2 BBC Two , 2002 - 2003 Season 3 BBC Two , 2003 - 2004 Season 4 BBC Two , 2004 Season 5 BBC Two , 2004 - 2005 Season 6 BBC Two , 2005 Season 7 BBC One , 2005 - 2006 Season 8 BBC One , 2006 Season 9 BBC One , 2006 - 2007 Season 10 BBC One , 2007 - 2008 Season 11 BBC One , 2008 - 2009 Season 12 BBC One , 2010 Season 13 BBC One , 2011 Season 14 BBC One , 2012 Season 15 BBC One , 2013 Season 16 BBC One , 2014 Season 17 BBC One , 2015 Season 18 BBC One , 2016 Season 19 BBC One , 2017 Season 20 BBC One , 2018 Season 21 BBC One , 2019 Season 22 BBC One , 2020 Season 23 BBC One , 2021 Season 24 BBC One , 2022 Season 25 BBC One , 2023