This article about a day of the year is currently under construction. It's likely to be a bit messy.
On 4 December, the following important behind-the-scenes events were known to have occurred:
- 1964 - The second production block of Doctor Who began with the recording of "The Powerful Enemy" at Riverside Studios One. (INFO: "The Powerful Enemy)
- 2011 - Recording for the third series of Iris Wildthyme took place at The Moat Studios.
- 2012 - Recording for The Library of Alexandria took place at The Moat Studios.
- 2017 - Recording for Jenny: The Doctor's Daughter took place at The Soundhouse.