2018 (releases)


 * 2 January - The Note was first published by Candy Jar Books.
 * 3 January - The critical monograph Full Circle was first released by Obverse Books.
 * 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.
 * 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.
 * 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.