Season 1 BBC Four , 2009 - 2011 Season 2 BBC Four , 2011 - 2012 Season 3 BBC Four , 2012 - 2014 Season 4 BBC Two , 2018 Season 5 BBC Two , 2019 - 2020 Season 6 BBC Two , 2020 - 2021 Season 7 BBC Two , 2021 Season 8 BBC Two , 2022 Season 9 BBC Two , 2023 Season 10 BBC Two , 2024 - 2025 Season 11 BBC Two , 2025
, 2009 - 2011