The BBC have released the synopsis for episode 8 of Series 8 Mummy on the Orient Express. It will air on October 11th at 8:30PM on BBC One.
The Doctor and Clara are on the most beautiful train in history, speeding among the stars of the future but they are unaware that a deadly creature is stalking the passengers.
Once you see the horrifying Mummy you only have 66 seconds to live. No exceptions, no reprieve. As the Doctor races against the clock Clara sees him at his deadliest and most ruthless. Will he work out how to defeat the Mummy? Start the clock!