Doctor Who's upcoming 60th anniversary will include a re-colored release of an iconic story, new specials, and the arrival of a new Doctor on Christmas Day. Ranking past anniversaries, the top spot goes to the 50th anniversary with "The Day of the Doctor" delivering a tight and impactful story. The 20th anniversary provides an ideal celebration with a mashup of Doctors and companions in "The Five Doctors", while the 10th anniversary introduced the multi-Doctor concept with "The Three Doctors".