Question: when does peter capaldi start as dr who
Answer: The Doctor The Twelfth Doctor Doctor Who character Peter Capaldi as the Twelfth Doctor First regular appearance `` The Time of the Doctor '' Last regular appearance `` Twice Upon a Time '' Portrayed by Peter Capaldi Preceded by Matt Smith Succeeded by Jodie Whittaker Information Tenure 25 December 2013 -- 25 December 2017 No of series Appearances 35 stories ( 40 episodes ) Companions Clara Oswald River Song Nardole Bill Potts Chronology Series Series 8 ( 2014 ) Series 9 ( 2015 ) Series 10 ( 2017 ) Previous version Eleventh Doctor Next version Thirteenth Doctor