Doctor Who - The Eaters of Light had an official rating of 4.73 million viewers.
The episode was the 26th most watched programme of the week, and the 11th highest rated programme on the BBC.
For the second week running, Doctor Who was the highest rated programme on Saturday, overtaking Casualty which was ahead in the initial overnight figures.
Top for the week was Coronation Street with 7.86 million watching. The BBC's highest rated programme was EastEnders with 6.6 million viewers