Christmas Special - Title, Synopsis and Promo Pics

Well, hot on the heels of the fantastic "Day of the Doctor", the BBC have now released the title, synopsis and a couple of promo pics from Matt Smith's final episode which is due to air on Christmas Day - as usual, right click and open in new tab/window for larger versions of the promo pics:

"The Time of the Doctor" is the title and the synopsis reads:

Orbiting a quiet backwater planet, the massed forces of the universe’s deadliest species gather, drawn to a mysterious message that echoes out to the stars.  And amongst them – the Doctor.  Rescuing Clara from a family Christmas dinner, the Time Lord and his best friend must learn what this enigmatic signal means for his own fate and that of the universe.

And here's the teaser trailer in case you missed it: