This article about a day of the year is currently under construction. It's likely to be a bit messy.
On 4 January, the following important behind-the-scenes events were known to have occurred:
- 1965 - Filming for The Web Planet began at Stage 2 of Ealing Studios. (TCH 4)
- 1966 - Pre-filming for The Massacre continued at Ealing Studios Stage 3. (TCH 7)
- 2010 - Recording for Cobwebs took place at The Moat Studios.
- 2018 - Recording for Ravenous 1 took place at The Moat Studios.
- 2018 - Recording for The Tenth Doctor Chronicles took place.