Season 1 Sky Arts , 2013 - 2014 Season 2 Sky Arts , 2014 Season 3 Sky Arts , 2017 Season 4 Sky Arts , 2018 Season 5 Sky Arts , 2019 Season 6 Sky Arts , 2020 Season 7 Sky Arts , 2020 Season 8 Sky Arts , 2021 - 2023 Season 9 Sky Arts , 2023