Set attack eyebrows to maximum sadness, as the current Time Lord known as the Doctor is getting ready to regenerate. Yup, Peter Capaldi is leaving Doctor Who. Capaldi will exit the show in the 2017 Christmas special, just like his predecessor Matt Smith did in The Time Of The Doctor in 2013 in his role as the Eleventh Doctor. But before the end comes, Capaldi will still have one more season broadcast this year