"The 12 Days of Christine" is the second episode of the second series of British dark comedy anthology series Inside No. 9. It first aired on 2 April 2015 on BBC Two. It was written by Steve Pemberton and Reece Shearsmith, and directed by Guillem Morales. The episode tells the story of Christine, a young woman living in a small flat, over 12 years in her life, focussing on key days and life events in that time. Christine is played by Sheridan Smith, while those who play an important part in her life are played variously by Tom Riley, Stacy Liu, Michele Dotrice, Paul Copley, Pemberton, Jessica Ellerby, Joel Little and Dexter Little. Shearsmith plays the Stranger, an unknown figure apparently haunting Christine.