On 1 January, a number of things set in or relevant to the Doctor Who universe were released or published.
- 1966 - "Volcano" was first broadcast on BBC1.
- 1966 - Part two of the TV Comic story A Christmas Story was first published.
- 1972 - Episode one of Day of the Daleks was first broadcast on BBC1.
- 1972 - The seventh and final part of the TV Action comic story The Eternal Present was first published.
- 1977 - Part one of The Face of Evil was first broadcast on BBC1.
- 1977 - Part three of the TV Comic story Dredger was first published.
- 2007 - Invasion of the Bane was first broadcast on CBBC, beginning a new series, The Sarah Jane Adventures.
- 2007 - Captain Jack Harkness and End of Days were first broadcast on BBC Three, completing Torchwood's first series. Later, the respective Torchwood Declassified episodes, Blast from the Past and To the End, aired with them.
- 2010 - Part two of The End of Time was first broadcast on BBC One. Later, the Doctor Who Confidential episode Allons-y! aired on BBC Three.
- 2010 - Doctor Who's Greatest Moments: The Doctor was rebroadcast on BBC3.
- 2011 - The Iris Wildthyme novel Enter Wildthyme was first published by Snowbooks Ltd.
- 2013 - Hunters of Earth, the first release of the Destiny of the Doctor audio series, was first released by AudioGO and Big Finish Productions.
- 2013 - The audiobook version of Doctor Who and the Talons of Weng-Chiang was first released by BBC Audio.
- 2016 - Toby Hadoke's Who's Round 153 was released online.
- 2017 - The God Complex was first released by Obverse Books.
- 2019 - Resolution was first broadcast on BBC One.
- 2020 - Part one of Spyfall was first broadcast on BBC One.