The Doctor Who Christmas special 2017 has just had its first official image and plot synopsis revealed. The special, which will see Peter Capaldi sign off as the twelfth doctor before Jodie Whittaker takes over in the new year, airs on BBC One in the U.K. on Christmas Day.

Doctor Who Christmas Special 2017

Doctor Who Christmas Special 2017 – Synopsis & Images Revealed!

Here’s the official synopsis:

The magical final chapter of the Twelfth Doctor’s (Peter Capaldi) journey sees the Time Lord team up with his former self, the first ever Doctor (David Bradley – Harry Potter, Game of Thrones) and a returning Bill Potts (Pearl Mackie), for one last adventure.

Two Doctors stranded in an Arctic snowscape, refusing to face regeneration.

Enchanted glass people, stealing their victims from frozen time. And a World War One captain destined to die on the battlefield, but taken from the trenches to play his part in the Doctor’s story.

Doctor Who Christmas Special 2017

An uplifting new tale about the power of hope in humanity’s darkest hours, Twice Upon A Time marks the end of an era. But as the Doctor must face his past to decide his future, his journey is only just beginning…

Related: Take Your First Look At Jodie Whittaker As Doctor Who

As stated above, the Doctor Who Christmas special 2017 is titled Twice Upon A Time, is written by Steven Moffat, directed by Rachel Talalay, and executive produced by Brian Minchin.

The special guest stars Mark Gatiss as The Captain, and Nikki Amuka-Bird as the voice of the glass woman.

We’ll bring you more on the Doctor Who Christmas special 2017 as it comes our way.