History of Doctor Who the UK in the spring of 2007 and began airing in Canada and the US during the summer of that year. A 2007 Christmas Special "Voyage of the Damned" was broadcast on 25 December 2007 in the UK, featuring Kylie Minogue as a waitress named Astrid. The fourth series aired in the UK in 2008 featuring two companions; Donna Noble, who first appeared in "The Runaway Bride" and Martha Jones, who returned to the series for five episodes of series four. Billie Piper also returned to the show to reprise her original role as Rose Tyler. Following broadcast of the
Astrid Peth Damned" featuring Astrid is shown as part of a montage. The BBC officially announced that Minogue was to feature as Astrid in the episode "Voyage of the Damned" on 3 July 2007. The official announcement followed rumours regarding Minogue's casting having already circulated in the press, although the episode's writer Russell T Davies had denied these rumours in in-house BBC publication "Ariel" in an attempt to keep the news secret for longer. Furthermore, Minogue herself had confirmed that she would be appearing in the episode in "InStyle" magazine, whilst the London paper "Standard Lite" published a photograph of Minogue's creative