The Doctor and Clara are called back to Earth when Rigsy discovers a strange tattoo on the back of his neck that appears to be counting down to zero. Their investigation leads them to a hidden street in the middle of London, the discovery that Rigsy has been issued a death sentence, and one of them facing the choice of having to make the ultimate sacrifice; to face the Raven!
Stars: Peter Capaldi, Jenna Coleman, Maisie Williams
Director(s): Justin Molotnikov
Writer(s): Sarah Dollard, Kit Pedler, Gerry Davis