Before the Flood – Official Synopsis
The BBC has released the official story synopsis for Before the Flood, the fourth episode of Series 9.
On a remote Army outpost, a fearsome alien warlord – the Fisher King – sets in motion a twisted plan to ensure his own survival. The ripples will be felt around the universe. Is this chain of events inevitable? And can the Doctor do the unthinkable?
Writer: Toby Whithouse. Director: Daniel O’Hara. Producer: Derek Ritchie.
Starring: Peter Capaldi and Jenna Coleman.
Guest cast: Colin McFarlane, Sophie Stone, Zaqi Ismail, Morven Christie, Arsher Ali, Steven Robertson, Paul Kaye, Neil Fingleton, Peter Serafinowicz and Corey Taylor.
It airs Saturday 10 October on BBC One, with the time now confirmed for 8.25pm to 9.10pm.