DEATH IN HEAVEN - by Steven Moffat
With Cybermen on the streets of London, old friends unite against old enemies and the Doctor takes to the air in a startling new role. Can the mighty UNIT contain Missy? As the Doctor faces his greatest challenge, sacrifices must be made before the day is won.
The episode will be available to watch on BBC iPlayer soon after broadcast, Doctor Who Extra will also be available to watch on BBC Red Button and online. Doctor Who will return later this year with its annual Christmas special - more information coming then.