Season 1 ITV1 , 1998 Watch now Season 2 ITV1 , 1999 Watch now Season 3 ITV1 , 1999 - 2000 Watch now Season 4 ITV1 , 2000 - 2001 Watch now Season 5 ITV1 , 2002 Watch now Season 6 ITV1 , 2003 Watch now Season 7 ITV1 , 2003 - 2004 Watch now Season 8 ITV1 , 2004 - 2005 Watch now Season 9 ITV1 , 2005 - 2006 Watch now Season 10 ITV1 , 2006 - 2007 Watch now Season 11 ITV1 , 2008 - 2010 Watch now Season 12 ITV1 , 2009 Watch now Season 13 ITV1 , 2010 - 2011 Watch now Season 14 ITV1 , 2011 - 2012 Watch now Season 15 ITV1 , 2012 - 2013 Watch now Season 16 ITV1 , 2013 - 2014 Watch now Season 17 ITV1 , 2015 Watch now Season 18 ITV1 , 2016 Watch now Season 19 ITV1 , 2016 - 2018 Watch now Season 20 ITV1 , 2019 Watch now Season 21 ITV1 , 2019 Watch now Season 22 Acorn TV, 2021 Watch now Season 23 Acorn TV, 2022 - 2023 Watch now Season 24 Acorn TV, 2023 Watch now