On 15 December, a number of things set in or relevant to the Doctor Who universe were released or published.
- 1973 - Episode one of The Time Warrior was first broadcast on BBC1.
- 1973 - Part one of the TV Comic story The Amateur was first published.
- 1979 - Episode four of Nightmare of Eden was first broadcast on BBC1.
- 2007 - The anthology Short Trips: The Ghosts of Christmas was first published by Big Finish.
- 2008 - The anthology Short Trips: Christmas Around the World was first published by Big Finish.
- 2008 - Inside the World of Doctor Who was released on the BAFTA website.
- 2010 - DWDVDF 51 was first published by GE Fabbri Ltd.
- 2011 - The Doctor Who Adventures comic story Wait Until Morning was first published.
- 2012 - Part one of Houdini and The Space Cuckoos was first published online.
- 2015 - Colouring Book was first published by Puffin Books.
- 2016 - Original Sin and Cold Fusion were first released by Big Finish.