31 December (releases)

* 1966 - Episode three of The Highlanders was first broadcast on BBC1.
* 1966 - Part two of the TV Comic story The Extortioner was first published.
* 1976 - The Daily Mirror published an exclusive short story, Dr. Who and the Hell Planet
* 1977 - Part seven of the TV Comic story The Aqua-City was first published.
* 1988 - The Official Doctor Who & the Daleks Book was first published by St Martin's Press.
* 2002 - Short Trips: Zodiac was first published by Big Finish Productions.
* 2006 - Part one of Blood of the Daleks was first broadcast on BBC7.
* 2008 - The Torchwood Magazine comic story "The Storm" was first published.
* 2013 - DWA 336 was first released by Immediate Media Company London Limited.
* 2014 - DWA 360 was first released by Immediate Media Company London Limited.
* 2015 - DWFC 62 was first released by Eaglemoss Collections.