On 26 December, a number of things set in or relevant to the Doctor Who universe were released or published.
- 1964 - "Flashpoint" was first broadcast on BBC1. Carole Ann Ford left the series.
- 1970 - Part two of the TV Comic story The Kingdom Builders was first published.
- 1979 - Part three of the Doctor Who Weekly comic story City of the Damned and of The Stolen TARDIS were first published.
- 2006 - Designs on Doctor Who aired on BBC 2W.
- 2007 - Wishing Well, The Pirate Loop and Peacemaker were first published by BBC Books.
- 2007 - The Doctor Who: Battles in Time comic story The Diamonds of Sartor was first published.
- 2008 - The Story of Martha, Beautiful Chaos and The Eyeless were first published by BBC Books.
- 2009 - Doctor Who - The Lost Episodes was first broadcast on BBC Radio 4.
- 2010 - Dream-Eaters was first broadcast on Disney XD.
- 2012 - DWDVDF 104 was first published by GE Fabbri Ltd.
- 2016 - Part one of Ghost Stories was first published by Titan Comics.