A sinister toyshop. The Earth erupting in violence. Shockwaves travelling through history.With old friends powerless to help, the Doctor is drawn into a deadly duel against an old nemesis who can bend reality to his will – and change the Doctor’s future for ever…Based on a script by Russell T Davies, this thrilling third adventure for Doctor Who’s 60th anniversary features David Tennant as the Fourteenth Doctor and Catherine Tate as Donna Noble, as well as introducing Ncuti Gatwa as the Fifteenth Doctor.