Season 1 Channel 4 , 2013 Season 2 Channel 4 , 2014 Season 3 Channel 4 , 2015 Season 4 More4 , 2015 - 2016 Season 5 More4 , 2016 Season 6 More4 , 2017 Season 7 More4 , 2018 Season 8 More4 , 2019 Season 9 More4 , 2020 Season 10 More4 , 2021
, 2013