Sonic screwdrivers can't create pages instantly.
This article about a day of the year is currently under construction. It's likely to be a bit messy.
| 1 | ||||||
| 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| 23 | 24 | 25 | 26 | 27 | 28 | 29 |
| 30 | ' |
On 4月23日, the following important behind-the-scenes events were known to have occurred:
- 1965 - "The Final Phase" was recorded at BBC Television Centre Studio 4. (INFO: "The Final Phase")
- 1970 - Studio filming for Inferno took place at BBC Television Centre 3. (REF: Doctor Who The Handbook: The Third Doctor)
- 1971 - Location filming for The Dæmons took place. (REF: Doctor Who The Handbook: The Third Doctor)
- 1975 - Studio filming for Terror of the Zygons took place at BBC Television Centre studio 3. (REF: Doctor Who The Handbook: The Fourth Doctor)
- 1978 - Studio filming for The Ribos Operation took place at BBC Television Centre studio 4. (REF: Doctor Who The Handbook: The Fourth Doctor)
- 1979 - Studio filming for The Creature from the Pit took place. (REF: Doctor Who The Handbook: The Fourth Doctor)
- 2008 - The Big Finish audio story The Chaos Pool was recorded at the Moat Studios.
- 2009 - The Big Finish audio story Ringpullworld was recorded at the Moat Studios.
- 2010 - Big Finish's audio adaptation of the unmade TV story Animal was recorded at the Moat Studios.
- 2012 - The Big Finish audio story The Acheron Pulse was recorded at the Moat Studios.
- 2013 - The Destiny of the Doctor audio story Enemy Aliens was recorded at the Moat Studios.
- 2016 - Pearl Mackie was confirmed as new companion Bill Potts in the specially-recorded mini-episode Friend from the Future.
- 2017 - Big Finish's Gallifrey audio anthology Time War: Volume One was recorded at the Moat Studios.
- 2021 - Big Finish announced the Torchwood - Monthly Range audio story Empire of Shadows.
- 2022 - Big Finish announced two new audio series: The Fugitive Doctor and Call Me Master.