The episode begins with the Doctor arriving in the town of Christmas, a small village that appears to be frozen in time. The Doctor soon discovers that the town is surrounded by a mysterious, unbreachable wall, which seems to be expanding and threatening to engulf the entire universe.
The Doctor chooses to stay and defend the town of Christmas, ultimately spending hundreds of years protecting its inhabitants as he ages into his final life. Because of the "War Doctor" and the Tenth Doctor's aborted regeneration, the Eleventh Doctor reveals he has no more regenerations left and is truly dying of old age. A New Regeneration Cycle Doctor Who 2005 2013 Christmas Special The Time...
In his final moments, the Doctor briefly rejuvenates to his younger appearance to say a mental goodbye to his first companion, . He then suddenly transforms into the Twelfth Doctor The episode begins with the Doctor arriving in
Eleventh (Matt Smith) Companion: Amy Pond & Rory Williams Summary: A sci-fi retelling of Dickens’ A Christmas Carol . The Doctor must save a crashing spaceship by convincing a miserly old man (Kazran Sardick) to change his ways — by time-traveling through his own past. Because of the "War Doctor" and the Tenth
The Christmas setting is brutal. It’s a time for family, yet the Doctor is utterly alone, listening to a knock that signals four knocks from Wilfred Mott. His final line—"I don’t want to go"—shattered a generation. This special proves that Christmas in Doctor Who isn’t about joy; it’s about and the inevitability of change.
As the Doctor navigates the mysteries of Christmas, he's joined by Clara Oswald (Jenna Coleman) and a host of other familiar faces. With his trademark wit and ingenuity, the Doctor must solve the mystery of the wall and confront a powerful enemy.