WARNING: Embargoed for publication until: 06/12/2014 – Programme Name: Doctor Who Christmas Special – TX: 25/12/2014 – Episode: Last Christmas, written by Steven Moffat (No. 1) – Picture Shows: ***EMBARGOED UNTIL 00:01hrs 6TH DEC 2014*** Santa Claus (NICK FROST) – (C) BBC – Photographer: Adrian Rogers