The BBC have released a new trailer featuring clips of all of their big hitters this Christmas – including of course snippets from Doctor Who

Alongside glimpses of the Doctor, Ood, Jushua Naismith (David Harewood’s character) and the TARDIS interior sparking, if you watch the clip below and forward to 37 seconds, you’ll discover a brand new power that the Master seems to have developed…

(Via www.david-tennant.com)