Orphan 55

Having decided that everyone could do with a holiday, the Doctor takes Graham, Yasmin, Ryan to a luxury resort for a spot of rest and relaxation. However, they discover the place where they are having a break is hiding a number of deadly secrets. What are the ferocious monsters that are attacking Tranquillity Spa? Guest-starring Laura Fraser and James Buckley, alongside Jodie Whittaker as the 13th incarnation of the Time Lord, and Bradley Walsh, Mandip Gill and Tosin Cole as her trusty travelling companions.