Unofficial figures show that episode three of Series Four, Planet of the Ood, was watched by 6.9 million viewers, giving it a 33.4% share of the total television audience.
The programme was the second most watched of the day, being beaten by ITV1's Britain's Got Talent, which got a massive 10.3 million. It won the time slot, beating Animals Do the Funniest Things, which got 4.0 million viewers.
The audience grew by nearly two million during the programme and peaked in the last quarter hour at 7.5 million. The programme is currently the 14th most watched for the week. Final figures will be released byBARB in ten days' time.