Unofficial overnight figures show that Evolution of the Dalekswas watched by 6.5 million viewers.
The programme was the second most watched for the day, being beaten byCasualty, which benefited from a later time slot. It was however the top rated show by share.
The programme also has the highest quarter-hour peak audience of the evening, with 7.3 million watching between 1915 and 1930. It comfortably beat its direct opposition on ITV1, Vernon Kay's Gameshow Marathon, which managed just over half of theDoctor Who audience.
Doctor Who dominated the children's chart with 1.4 million under 16s watching, a massive 64% share. This compares with BBC One's average children's share for the day of 18%.
On BBC Three Doctor Who Confidential was watched by 0.58 millionviewers and was the second most watched programme on multichannel television.
Final figures will be published by BARB in around 10 days time.