This article about a day of the year is currently under construction. It's likely to be a bit messy.
On 20 June, the following important behind-the-scenes events were known to have occurred:
- 1966 - Location filming for The Smugglers continued. (TCH 8)
- 2008 - Recording for Return of the Krotons took place at The Moat Studios.
- 2012 - Recording for Dark Eyes took place at The Moat Studios.
- 2025 - Expiry date of the current licence of Big Finish Productions to produce Doctor Who audio drama.