The Time of the Doctor - the last to feature Matt Smith as the Eleventh Doctor - will broadcast tonight at 7:30pm on BBC One and BBC One HD, read on for the synopsis:
THE TIME OF THE DOCTOR - by Steven Moffat
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.
The episode will be available to watch on BBC iPlayer soon after broadcast. Doctor Who will return later next year with its eighth series, starring the new Twelfth Doctor as played by Peter Capaldi.