Listen BBC Synopsis
The BBC have released the official story synopsis for Listen, the fourth episode of Series 8, written by Steven Moffat.
When ghosts of past and future crowd into their lives, the Doctor and Clara are thrown into an adventure that takes them to the very end of the universe.
What happens when the Doctor is alone? And what scares the grand old man of Time and Space? Listen!
It airs Saturday 13 September.
UPDATE: Time slot confirmed for 7.30pm-8.20pm on BBC1.