Programme website: http://bbc.in/1UFcb1w Peter Capaldi on filming his last episode and his feelings ahead of leaving, alongside Mark Gatiss and Toby Whithouse.
Twice Upon a Time. 5.30pm, Christmas Day, on @BBCOne! #DoctorWho
Peter Capaldi: The right time to leave - Doctor Who: Christmas 2017 - BBC One ─ BBC
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