The BBC have released a new trailer for the upcoming Doctor Who festive special, Last Christmas - watch it in the player above. For more clips, pics and news from the episode, visit the guide to Last Christmas HERE.Labels: 2014 christmas special, 2014 xmas, 2014 xmas preview, 2014 xmas special, christmas trailer, dr who 2014 xmas special, dr who last christmas, last christmas, last christmas trailer