|Timeline for 2018|
2012 • 2013 • 2014 • 2015 • 2016 • 2017
In 2018, a number of things set in or relevant to the Doctor Who universe were released or published.
- January - VOR 107 was published by Big Finish Productions.
- 2 January - The Note was first published by Candy Jar Books.
- 3 January - The critical monograph Full Circle was first released by Obverse Books.
- 3 January - The digital edition of 12DY3 11 with part 2 of comic story A Confusion of Angels was published by Titan Comics.
- 4 January - The audio reading for The Ambassadors of Death was first released by BBC Audio.
- 4 January - Return of the Queen was first published by Thebes Publishing.
- 9 January - Titan Comics published another edition of graphic novel Official Secrets with reprints of stories Official Secrets and Slaver's Song.
- 11 January - DWM 521 was published by the Panini Comics.
- 17 January - Kingdom of Lies was first released in the Main Range of Big Finish Productions.
- 18 January - The Sons of Kaldor, The Crowmarsh Experiment, The Mind Runners and The Demon Rises were first released by Big Finish in the Fourth Doctor Adventures range.
- 18 January - Doctor Who and the Krikkitmen was first published by BBC Books.
- 23 January - The Diary of River Song: Series Three was first released by Big Finish Productions.
- 23 January - The Book of the Enemy was first released by Obverse Books.
- 30 January - The Authentic Experience was released by Big Finish in Short Trips audio series.
- 30 January - Titan Comics published the softcover edition of graphic novel Sonic Boom with reprints of stories Terror of the Cabinet Noir and Invasion of the Mindmorphs.
- 31 January - 10DY3 13 with part 3 of comic story The Good Companion was first published by Titan Comics.
- February - VOR 108 was published by Big Finish Productions.
- 6 February - Aliens Among Us 3 was released by Big Finish Productions.
- 6 February - Dr. Third, Dr. Fifth, Dr. Sixth, and Dr. Tenth were first published by BBC Children's Books.
- 9 February - First three series of Big Finish Gallifrey audio series were released as digital downloads.
- 13 February - Ghost Walk was first released in the Main Range of Big Finish Productions.
- 15 February - The Churchill Years: Volume Two was first released by Big Finish Productions.
- 22 February - The Missy Chronicles was first published by BBC Books.
- 22 February - Gallifrey: Time War was first released by Big Finish Productions.