The Zygon Inversion – Official Synopsis
The BBC has released the official story synopsis for The Zygon Inversion, the eighth episode of Series 9.
Shapeshifting Zygons are everywhere in the UK, and there is no way of knowing who to trust. With UNIT neutralised, only the Doctor stands in their way. But how do you stop a war? And what can the Doctor do to save his friends?
Writer: Peter Harness. Director: Daniel Nettheim. Producer: Peter Bennett.
It premieres Saturday 7 November on BBC One, with the time now confirmed for 8pm to 8.50pm.