Season 1 BBC One Northern Ireland , 2006 Season 2 BBC One Northern Ireland , 2006 Season 3 BBC One Northern Ireland , 2007 Season 4 BBC One Northern Ireland , 2008 Season 5 BBC One Northern Ireland , 2010 Season 6 BBC One Northern Ireland , 2011 Season 7 BBC One Northern Ireland , 2013 Season 8 BBC One Northern Ireland , 2014 Season 9 BBC One Northern Ireland , 2015 Season 10 BBC One Northern Ireland , 2016 - 2017 Season 11 BBC One Northern Ireland , 2017 Season 12 BBC One Northern Ireland , 2017 Season 13 BBC One Northern Ireland , 2018 Season 14 BBC One Northern Ireland , 2018 Season 15 BBC One Northern Ireland , 2019 Season 16 BBC One Northern Ireland , 2019 Season 17 BBC One Northern Ireland , 2020 - 2021 Season 18 BBC One Northern Ireland , 2021 Season 19 BBC One Northern Ireland , 2021 - 2022 Season 20 BBC One Northern Ireland , 2022 Season 21 BBC One Northern Ireland , 2023