Unfortunately, Moffat didn't tell Radio Times whether I should have some tissues ready before this episode. That said, we did get some minor plot details that will paint a picture of what to expect with this special,

Doctor Who writer Steven Moffat has revealed the first details about this year's Christmas special. Bridgerton's Nicola Coughlan will be starring in the title role of 'Joy to the World' as a traveler checking into a London hotel over the festive period.