Festive special of the long-running BBC sci-fi show starring Jodie Whittaker as the Thirteenth Doctor. In this instalment, the Doctor remains incarcerated leaving Graham O'Brien (Bradley Walsh), Ryan Sinclair (Tosin Cole) and Yasmin Khan (Mandip Gill) to try and usurp business man Jack Robertson (Chris Noth) from developing a Dalek drone system. However, when Captain Jack Harkness (John Barrowman) returns to Earth it isn't long before he uses his influence to locate the Doctor and free her just in time for reaching Japan where a large facility is rolling out the Dalek drones at an alarming rate.