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Doctor Who "Before The Flood" Preview Trailer


Watch a preview for the next episode of Doctor Who, "Before The Flood."

Tonight's episode already aired in the UK, with a fan apparently uploading the preview (above) to YouTube.

Doctor Who airs on BBCA Saturdays at 9pm ET starring Peter Capaldi and Jenna Coleman.

Episode synopsis:

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?