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 13.8 million watching at its peak, according to consolidated ratings, when it was first broadcast on Christmas Day on BBC One. The ratings success of "Voyage of the Damned" has been partially and fully attributed to Minogue's casting in the role of Astrid. Younger viewers who were fans of pop star Kylie were left distraught by Astrid's death and had to be convinced that Kylie was not dead in real life. Although reviewer Jane Simon would have liked to have seen more of the character and it has been asserted that her appearance in the episode has helped her make