On 13 October, a number of things set in or relevant to the Doctor Who universe were released or published.
- 1973 - Part one of the TV Comic story Nova was first published.
- 1979 - Part three of City of Death was first broadcast on BBC1.
- 1983 - DWM 82 was first released by Marvel Comics.
- 1988 - DWM 142 was first released by Marvel Comics.
- 1993 - DWCC 12 was first published by Marvel Comics.
- 2005 - The Shooting Scripts and The Legend Continues were first published by BBC Books.
- 2008 - Part two of The Day of the Clown was first broadcast on CBBC.
- 2011 - The Brilliant Book 2012 was first published by BBC Books.
- 2011 - The Doctor Who Adventures comic story Dimension Warp was first published.
- 2013 - The Doctors Revisited - The Second Doctor was transmitted on Watch.
- 2016 - The Fifth Traveller was first released by Big Finish.