The BBC's official website for Doctor Who has now been updated with the second day of their new Advent calendar. Today's 'door' includes three different designs of printable Doctor Who Christmas cards, the first features The Tenth Doctor on the Ood Sphere from The End of Time, the second features a festive-looking TARDIS, and the third features a group of Cybermen from the 1966 Doctor Who story, The Tenth Planet. All three of the exclusive printable Christmas cards can be downloaded at the official Doctor Who website by clicking here. Door three on the calendar will be available to open tomorrow. What do you think of these Christmas cards?