The Tribal Mind: Christmas brings one alien doctor, several caring midwives and a tsunami and a cyclone

By David Dale
Updated December 21 2014 - 1:08am, first published 12:15am
Chilly: Peter Capaldi is the Doctor.
Chilly: Peter Capaldi is the Doctor.
Nostalgic: Call The Midwife gets all emotional.
Nostalgic: Call The Midwife gets all emotional.

It would be cruel and shallow to suggest that Nick Frost was cast in the forthcoming episode of Doctor Who purely because of his name – although it is suspiciously appropriate both for his role (Santa Claus) and for the show's setting (a snowbound Arctic base).