Season 1 Channel 4 , 2003 - 2004 Season 2 Channel 4 , 2005 Season 3 Channel 4 , 2006 Season 4 Channel 4 , 2006 - 2008 Season 5 Channel 4 , 2009 Season 6 Channel 4 , 2010 Season 7 Channel 4 , 2011 Season 8 Channel 4 , 2012 - 2013
, 2003 - 2004