Season 2015 Channel 4 , 2015 Season 2016 More4 , 2016 Season 2017 Channel 4 , 2017 Season 2018 Channel 4 , 2018 Season 2019 Channel 4 , 2019 Season 2020 Channel 4 , 2020 Season 2022 Channel 4 , 2022 Season 2024 Channel 4 , 2024