Watch the Twice Upon A Time Preview (Children in Need 2017)

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Here's a sneak peek of this year's #DoctorWho Christmas Special, Twice Upon A Time! Support #ChildrenInNeed at https://t.co/lnU2LsDJTU #CiN pic.twitter.com/bGSjyIrmvk

— Doctor Who Official (@bbcdoctorwho) November 17, 2017

Here's a sneak peek of this year's #DoctorWho Christmas Special, Twice Upon A Time! pic.twitter.com/2dnpk8gJ0v

— BBC America (@BBCAMERICA) November 17, 2017