Liverpool Sound and Vision Rating 8.5/10

Cast: Peter Capaldi, Pearl Mackie, Matt Lucas, Kiran L. Dadlani, Mina Anwar, Ralf Little, Kalungi Ssebandeke, Kira Shah, Craig Gardener.

Smile and the world smiles with you, cry and your likely to have little time left in your life to worry about such matters as emotion, at least that is how it is presented by the excellent Merseyside writer Frank Cottrell-Boyce in the superb second story of the new series of Doctor Who.