Season 1 Channel 4 , 2005 - 2006 Season 2 Channel 4 , 2006 - 2007 Season 3 Channel 4 , 2007 - 2008 Season 4 Channel 4 , 2008 - 2009 Season 5 Channel 4 , 2009 - 2010 Season 6 Channel 4 , 2010 - 2011 Season 7 Channel 4 , 2011 - 2012 Season 8 Channel 4 , 2012 - 2013 Season 9 Channel 4 , 2013 - 2014 Season 10 Channel 4 , 2014 - 2015 Season 11 Channel 4 , 2015 - 2016 Season 12 Channel 4 , 2016