14 December (production)

On 14 December, the following important behind-the-scenes events were known to have occurred:
 * 1966 - Pre-filming for The Underwater Menace began at Ealing Studios. (TCH 9)
 * 2003 - Recording for Death and the Daleks took place.
 * 2007 - Recording for The Haunting of Thomas Brewster took place.
 * 2010 - Recording for Kiss of Death took place.
 * 2021 - Big Finish's audio anthology Stranded 4 was recorded at PRL Studios.