Its the most wonderful time of the year! The countdown is on to this years Doctor Who Christmas special which is titled “A Christmas Carol.” Matt Smith, Karen Gillen, and Arthur Darvill return as The Doctor, Amy Pond, and Rory Williams. Guest starring is Michael Gambon who you most recently have seen as Dumbledore in the new Harry Potter movie. “A Christmas Carol” will air on BBC America on December 25th at 9/8c.