For questions about the movie-length special episode of Doctor Who, "The Day of the Doctor", celebrating the 50th anniversary of the TV series. It featured the 10th and 11th Doctors working with the War Doctor to explore how the latter ended the Time War. Always use in conjunction with the [doctor-who] tag.
"The Day of the Doctor" is a 2013 TV special of the doctor-who franchise, celebrating its 50th anniversary and mainly featuring the 10th (David Tennant), 11th (Matt Smith) and War (John Hurt) Doctors. The story centers around the events of the last day of the time-war, on which The Doctor believes he caused the extinction of the Time Lords and the Daleks by using The Moment to destroy both. It contained several cameos and prior characters, most notably Tom Baker (4th), who played an unnamed (and uncredited) curator.