Well In The November 24th Special With the 12th Doctor read below whats going to be in it.
The 50th Special.Edit
The 50th Special will have the 11th Doctor (Matt Smith) and The 10th Doctor (David Tennant). the Enimies are the Daleks and Mabye the Master.
Is The 12th Doctor Any Good?Edit
Well we dont know if Peter (the 12th Doctor) is any good. he mabye not out run the 10th and 11th Doctors. but lets wait and see what happens on the 50th Special.