Jodie Whittaker Doctor Who

Watch: Doctor Who's Peter Capaldi become Jodie Whittaker in Christmas regeneration

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Dec 26, 2017, 10:16 AM EST

The Doctor has regenerated once again, and the 13th iteration has made a brief Christmas appearance.

In last night’s Doctor Who Christmas special, “Twice Upon a Time,” Peter Capaldi gave his final, moving monologue as the Time Lord, ending a four-year run. This speech culminated in a brief but delightful appearance by the new actress playing the Doctor (yes, actress, for the first time in show history), Jodie Whittaker.

You can watch the whole scene here:

Whittaker’s one line in the episode, “Oh, brilliant,” comes right before some major TARDIS trouble and a thrilling, death-defying (one would hope) cliffhanger.

Replacing longtime showrunner Steven Moffat with the creator of Whitaker’s Broadchurch, Chris Chibnall, the new season of Doctor Who is “expected to return in the latter half of 2018,” according to Deadline. The new season will be the first in six seasons (and eight years) to be helmed by someone other than Moffat, so the tradition-bucking star will be have a brand-new storyteller by her side to help her out.

Now, after a tantalizing casting announcement back in July, fans have a bit of performance and delivery to attribute to their new Doctor during the long wait for her return.