BBC Three's Doctor Who Confidential and YouTube video blogger, Charlie McDonnell, have uploaded the fourth behind-the-scenes video, which looks at this years Doctor Who Christmas Special, A Christmas Carol.

The feature can be found behind the BBC Red Button on Digital TV packages, and on the BBC's YouTube Channel.

The fourth video, 'Charlie and The Doctor's Badger' is now online and can be seen below:

[Source: BBC Doctor Who website]