4.34 million viewers watched Doctor Who: The Woman Who Lived, according to unofficial overnight viewing figures.
Doctor Who has an average share of 20% of the total TV audience as was third for the day. Top for the day was Strictly Come Dancing which had an average of 9.32 million watching. ITV had 6.55 million watching The X Factor, which was scheduled directly opposite Doctor Who.
Casualty was pushed below 4 million with 3.95 million watching.
Final ratings will be issued next week, which will be based on the exact transmission time for the episode and will include those who record it and watch it later.