Before the Flood
Series 9 Episode 4
On a remote army outpost, a fearsome alien warlord called 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?
Series 9: Part 1 DVD & Blu-ray
Doctor Who - Series 9: Part 1
Released 2nd November 2015

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