Unfortunately the time distortions incurred causes all but his latest incarnation to have no memory of his changed decision.The episode starred Matt Smith as the Eleventh Doctor and Jenna Coleman as his companion, Clara Oswald.The Moment offers to show the Doctor what this will turn him into and opens a fissure linking him to the Tenth and Eleventh Doctors.
The countdown is stopped and all present negotiate a perfectly fair peace treaty, as they no longer know which way to skew it.
The War Doctor, now convinced that detonating the Moment will save many more lives in the longer term, is returned to his time by the Moment.
Other appearances included a very brief glimpse of the then-upcoming Twelfth Doctor (Peter Capaldi), who would succeed Matt Smith in "The Time of the Doctor", As the episode celebrates fifty years of the programme, it references and alludes to various concepts featured throughout the show's run.
It has been described by series producer Marcus Wilson as a "love letter to the fans" and by the controller of BBC One, Danny Cohen, as an "event drama".
They then encounter the real Queen Elizabeth and learn through her of the Zygon scheme to conquer Earth.
Kate Stewart also learns of the Zygon plan and locks herself in the Black Archive with the Zygons, starting a countdown that will detonate a nuclear warhead underneath the archive.
While examining the paintings, a fissure in time opens above them and the Doctor jumps into it.
In the midst of the Time War between the Time Lords and the Daleks, the War Doctor — a hitherto-unknown incarnation of the Doctor — decides to trigger an ancient weapon called The Moment in order to destroy both sides completely.
They discover that the Zygon is disguised as Queen Elizabeth, who captures and imprisons them in the Tower of London.