Doctor Who: Death in Heaven had an overnight audience of 5.45 million viewers, according to unofficial figures.
The rating, a 23.3% share of the total TV audience, made Doctor Who the third most watched programme of Saturday Night.
Top was Strictly Come Dancing with 9.37 million watching, while The X Factor had 7.9 million viewers. Pointless Celebrities, which edged ahead of Doctor Who last week, had 4.9 million.
Doctor Who is currently the 20th most watched programme of the week.