Cardiff’s Kidney Research UK shop featured on the first episode of the new series of Doctor Who on Sunday evening. Reportedly watched by more than 8.2million viewers, the new female doctor, played by Jodie Whittaker, got into her signature outfit in the changing rooms of the store. Staff at the shop on Cowbridge Road East have been sworn to secrecy since filming took place almost a year ago. The film crew spent an entire day in the shop, with one lucky…