The series was originally commissioned from Davies by Executive Producer
Julie Gardner when she was working at Granada-owned
London Weekend Television. However, after Gardner moved on to become Head of Drama at
BBC Wales in 2003, she commissioned Davies to write the drama for the BBC instead, as part of the deal that also saw him installed as the chief writer and Executive Producer of
Doctor Who (in which Tennant later played the
Doctor's tenth incarnation), also being overseen by Gardner and made at
BBC Wales. It was Tennant's role as Giacomo that led to Davies casting him in
Doctor Who as the
Tenth Doctor. It was aired in the United States in two parts, 8 and 15 October 2006, with the full unedited British version released on DVD the following week, 17 October 2006. The programme also aired in Australia on the
ABC, again edited into two parts. ==Reception==