It’s farewell for Peter Capaldi. This week, the BBC released a sneak peek at Capaldi’s final appearance in the upcoming Doctor Who Christmas special.

As reported earlier, the episode will feature the Capaldi’s last performance as The Doctor and the first appearance of the new Doctor, Jodie Whittaker. The special will also include a guest appearance by David Bradley as William Hartnell, the first Doctor.

The Doctor Who Christmas special debuts on BBC America and BBC One on December 25th.

Take a first look below:

Here's a sneak peek of this year's #DoctorWho Christmas Special!
Twice Upon A Time premieres this Christmas on @BBCAMERICA. pic.twitter.com/PE9KzWQa6R

— Doctor Who on BBC America (@DoctorWho_BBCA) November 17, 2017

What do you think? Are you a fan of Doctor Who? Are you excited for the Christmas special?