The episode is called The Name of the Doctor and his most endearing secret will finally be revealed in this exciting episode when it airs in a few weeks time on Saturday 18th May!
The episode is written by Steven Moffat and directed by Saul Metzstein, and as you can see from the officially sanctioned poster, will see the return of Alex Kingston as River Song. It is also rumoured that the events of this particular episode which will feature the fields of Trensalore, will lead into the Fiftieth Anniversary special which is currently being shot.
So hang on to your hat's everyone as Doctor Who continues on BBC One!
UPDATE: Many fans have had a negative reaction to the title of the last episode. Other fans are speculating this will finish the River Song arc and the audience will not find out the name of the Doctor.