After a month that looked like it would be mostly Christmas Specials, BritBox will stream The Control Room and Deadline as part of the end-of-the-year "BritBoxing" week.
P. D. James's enigmatic poet and policeman Adam Dalgliesh (Bertie Carvel) returns to Acorn TV for another season of Dalgliesh's densely-plotted and demanding mysteries, beginning with "Death of an Expert Witness."