The appreciation index figure for this year's Doctor Who Christmas special, The Next Doctor, has now been revealed and we now know that the episode received an AI figure of 86. An average BBC or ITV drama will receive an AI figure of 77 and anything above 85 is classed as excellent. You can view more information about how an AI figure is calculated here. According to overnight ratings, The Next Doctor was watched by 11.7 million but these figures are likely to increase when official figures are released by BARB next week. What do you think of the AI figure that The Next Doctor received? Would you have rated the episode higher, lower or the same?