• UK
    26 August 2006
    (Edinburgh International Television Festival)
  • Canada
    17 September 2006
  • USA
    18 September 2006
  • Hungary
    4 May 2007
  • Sweden
    22 August 2007
  • UK
    17 October 2007
  • Finland
    7 April 2008
  • Australia
    9 October 2008