Season 1 BBC One , 2007 Season 2 BBC One , 2007 Season 3 BBC One , 2008 Season 4 BBC One , 2008 Season 5 BBC One , 2009 Season 6 BBC One , 2009 Season 7 BBC One , 2010 Season 8 BBC One , 2010 Season 9 BBC One , 2011 Season 10 BBC One , 2011 - 2012 Season 11 BBC One , 2012 Season 12 BBC One , 2012 - 2013 Season 13 BBC One , 2013 Season 14 BBC One , 2013 Season 15 BBC One , 2014 Season 16 BBC One , 2014 Season 17 BBC One , 2015 Season 18 BBC One , 2015 Season 19 BBC One , 2016 Season 20 BBC One , 2016 Season 21 BBC One , 2017 Season 22 BBC One , 2017 Season 23 BBC One , 2018 Season 24 BBC One , 2018 Season 25 BBC One , 2019 Season 26 BBC One , 2019 Season 27 BBC One , 2020 Season 28 BBC One , 2020 Season 29 BBC Two , 2021 Season 30 BBC One , 2021 - 2022 Season 31 BBC One , 2022 Season 32 BBC One , 2022 Season 33 BBC One , 2023 Season 34 BBC One , 2023 Season 35 BBC One , 2024
, 2007