The name of the actor who is to play the 12th Doctor is to be announced this weekend, according to sources.
Leaked information is that a special programme on will air this Sunday 4 August.
Entitled Doctor Who Live: The Next Doctor it will be shown at 7pm on BBC1.
The show is going to be filmed in front of a live studio audience with Zoe Ball unveiling the next Doctor. The show will also feature interviews with past Doctors and companions.