Doctor Who: Before the Flood

The concluding edition of a two-part tale - told in reverse - takes the Time Lord to a remote Army outpost, where a fearsome alien warlord known as The Fisher King sets in motion a devious plan to ensure his own survival. As his plot takes effect, the ripples of his actions are felt across the universe in what seems to be an unstoppable chain of cause and reaction. With the consequences spiraling out of control, the Doctor seeks to bring the devastation to an end - but doing so might mean he has to do the unthinkable. Sci-fi drama, starring Peter Capaldi and Jenna Coleman, with guests Paul Kaye and Peter Serafinowicz