5.7 million viewers watched episode five of Doctor Who: The Rebel Flesh, according to unofficial overnight figures.
The story, written by Matthew Graham, attracted 29.3% of the overnight audience and was the second most-watched programme of the day. The most-watched programme was Britain's Got Talent with 10 million watching.
Doctor Who had a million more viewers than the third placed programme Casualty. Against the Doctor, Sing If You Can on ITV had 4.1 million watching. 0.84 million watched Doctor Who on BBC One HD.
The BBC One audience once more peaked when Doctor Who was on, rising to 5.9 million during the programme and dropping to 2.8 million as Doctor Who finished.
Doctor Who currently stands as the 19th most watched programme of the week.
On BBC Three Doctor Who Confidential has 0.57million viewers, a 3.1% share of the audience.