2004 (releases)


 * Sometime Never... was first published.
 * AUDIO: The Creed of the Kromon was first released.
 * 7 January - The Two Doctors was released to DVD in Region 4 in the Australian market.
 * 19 January - The Visitation was released to DVD in Region 2 in the UK.
 * 2 February - Scream of the Shalka was first published. This was a novelisation of the WC: Scream of the Shalka webcast. It was the first novelisation to be published since the novelisation of the TV movie in 1996. Considered part of the BBC Past Doctor Adventures line, the book included a section detailing the making of the story.
 * AUDIO: The Natural History of Fear was first released.
 * Blood and Hope was first published.
 * 7 February - The Curse of Fenric was released to DVD in Region 4.
 * Empire of Death was first published.
 * AUDIO: The Twilight Kingdom was first released.
 * Short Trips: Past Tense was first published.
 * The Dalek Factor was first published, ending the Telos Doctor Who novella line.
 * AUDIO: Weapon of Choice was first released, beginning the Gallifrey series.
 * 1 March - Pyramids of Mars was released to DVD in the UK.
 * 2 March - The Seeds of Death and The Three Doctors were released to DVD in Region 1.
 * 18 March - The Tunnel at the End of the Light was first published.
 * Halflife was first published.
 * AUDIO: The Axis of Insanity was first released.
 * Short Trips: Past Tense was first published.
 * AUDIO: Square One and AUDIO: The Inquiry were first released.
 * 8 April - The Visitation was released to DVD in Region 4.
 * 2004 - The BBC Past Doctor Adventures novel The Eleventh Tiger was firt published.
 * AUDIO: Arrangements for War was first released.
 * AUDIO: A Blind Eye was first released.
 * AUDIO: Dalek Empire III: The Exterminators was first released, launching Big Finish Productions' third Dalek Empire mini-series.
 * The Big Hunt was first published. This was first full-length novel in the Big Finish Bernice Summerfield series to be published in more than two years.
 * 10 May - The Green Death was released on DVD in region 2 in the UK.
 * 20 May - Short Trips: Past Tense was first published.
 * The Tomorrow Windows was first published.
 * June - AUDIO: The Harvest was first released. A new companion for the Seventh Doctor, Hex, was introduced.
 * Short Trips: Life Science was first published.
 * AUDIO: Dalek Empire III: The Healers was first released.
 * 1 June - The Curse of Fenric and The Two Doctors were released to DVD in Region 1.
 * 10 June - Pyramids of Mars was released to DVD in Region 4.
 * 17 June - The Clockwork Woman was first published.
 * 26 June - The Web of Fear episode one was repeated on BBC Four as part of a night dedicated to cult TV from the 1960s.
 * Synthespians™ was first published.
 * AUDIO: The Roof of the World was first released.
 * AUDIO: Dalek Empire III: The Survivors was first released.
 * PROSE: A Life Worth Living was first published.
 * 5 July - The Leisure Hive was released to DVD in the UK.
 * The Sleep of Reason was first published.
 * AUDIO: Medicinal Purposes was first released.
 * 5 August - The Green Death was released to DVD in Region 4.
 * 26 August - Short Trips: Repercussions was first published by Big Finish Productions.
 * The Algebra of Ice was first published.
 * AUDIO: Faith Stealer was first released.
 * AUDIO: Dalek Empire III: The Demons was first released.
 * 6 September - AUDIO: Doctor Who at the BBC Volume 2 was first released.
 * 20 September - Ghost Light was released to DVD in the UK.
 * The Deadstone Memorial was first published.
 * AUDIO: The Last was first released.
 * Short Trips: Monsters and Short Trips: 2040 were first published.
 * AUDIO: Dalek Empire III: The Warriors was first released.
 * REF: Howe's Transcendental Toybox Update No. 1 was first published
 * 7 October - The Leisure Hive was released to DVD in Region 4.
 * 17 October - This was the twenty-fifth anniversary of Doctor Who Magazine.
 * 19 October - Kitsune was first published.
 * The Indestructible Man was first published.
 * AUDIO: Caerdroia was first released.
 * AUDIO: Dalek Empire III: The Future was first released, concluding Big Finish Productions' third Dalek Empire mini-series.
 * REF: The Discontinuity Guide, 2nd edition, was first published.
 * 1 November - Lost in Time, a DVD box set spotlighting incomplete stories from the William Hartnell and Patrick Troughton eras was released in the UK.
 * 2 November - The Lost in Time DVD collection was issued in Region 1, only a day after the UK release (the first time Region 1 and Region 2 have so nearly coincided).
 * 7 November - Earthshock and Pyramids of Mars were released to DVD in Region 1.
 * AUDIO: The Next Life was first released. This audio drama reunited Paul McGann with his TV-movie co-star Daphne Ashbrook.
 * AUDIO: Her Final Flight was first released. This single-episode story was made available exclusively to subscribers to Big Finish.
 * Short Trips: A Christmas Treasury was first published.
 * AUDIO: Silver Lining, a single-episode Benny Summerfield story, and AUDIO: The Coup, a "prologue" release for the upcoming UNIT audio series, were released on an exclusive CD included with Doctor Who Magazine. Nicholas Courtney returned as the Brigadier.
 * PROSE: A Life in Pieces was first published. It was the last Benny Summerfield short story collection until 2006.
 * AUDIO: Time Heals was first released, officially launching the spin-off audio series UNIT.
 * AUDIO:  Storm Mine was first released. It was the last release in the Kaldor City series to date.
 * 2 December - The Severed Man was first published.
 * 2 December - The Lost in Time DVD box set was released in Region 4.
 * 30 December - The anthology Short Trips: A Christmas Treasury was first published by Big Finish.

Unknown dates

 * HOMEVID: Dæmos Rising was first released.
 * AUDIO:  The Prisoner, a twenty-minute short play, was included on the CD release Paul Darrow: The Actor Speaks.
 * NOTVALID: The Feast of the Stone was published to the BBC website.