2004 (releases)


 * January - AUDIO :  The Creed of the Kromon  was first released.
 * January - AUDIO: Death and the Daleks was first released.
 * 5 January - Sometime Never... was first published.
 * 7 January - The Two Doctors was released to DVD in Region 4 in the Australian market.
 * 15 January - Short Trips: Steel Skies  was first published.
 * 19 January - The Visitation was released to DVD in Region 2 in the UK.
 * February - AUDIO :  The Natural History of Fear  was first released.
 * 2 February - Scream of the Shalka, the novelisation of WC: Scream of the Shalka webcast, was published.
 * 7 February - The Curse of Fenric was released to DVD in Region 4.
 * 19 February - Blood and Hope  was first published.
 * March - AUDIO: The Twilight Kingdom was first released.
 * March - AUDIO: Weapon of Choice was first released, beginning the Gallifrey series.
 * 1 March - Pyramids of Mars was released to DVD in the UK.
 * 1 March - Empire of Death  was first published.
 * 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.
 * 18 March - The Dalek Factor  was first published, ending the  Telos Doctor Who novella  line.
 * April - AUDIO: The Axis of Insanity was first released.
 * April - AUDIO: Square One and AUDIO: The Inquiry were first released.
 * 5 April - Halflife  was first published.
 * 8 April - The Visitation was released to DVD in Region 4.
 * May - AUDIO: Arrangements for War was first released.
 * May - AUDIO: A Blind Eye was first released.
 * May - AUDIO: Dalek Empire III: The Exterminators was first released.
 * May - The Big Hunt was first published.
 * 3 May - The  BBC Past Doctor Adventures  novel  The Eleventh Tiger  was first published.
 * 10 May - The Green Death was released on DVD in region 2 in the UK.
 * 20 May - Short Trips: Past Tense was first published.
 * June - AUDIO: The Harvest was first released. A new companion for the Seventh Doctor, Hex, was introduced.
 * June - 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.
 * 7 June - The Tomorrow Windows  was first published.
 * 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.
 * July - AUDIO: The Roof of the World was first released.
 * July - AUDIO: Dalek Empire III: The Survivors was first released.
 * July - PROSE: A Life Worth Living was first published.
 * July - AUDIO: The Grel Escape was first released.
 * 1 July - Short Trips: Life Science  was first published.
 * 5 July - The Leisure Hive was released to DVD in the UK.
 * 19 July - Synthespians™ was first published.
 * August - AUDIO: Medicinal Purposes was first released.
 * August - AUDIO :  Dalek Empire III :  The Demons  was first released.
 * August - AUDIO: The Bone of Contention was first released.
 * 2 August - The Sleep of Reason  was first published.
 * 5 August - The Green Death was released to DVD in Region 4.
 * 26 August - Short Trips: Repercussions was first published by Big Finish Productions.
 * September - AUDIO: Faith Stealer was first released.
 * September - AUDIO :  Dalek Empire III :  The Warriors  was first released.
 * 6 September - AUDIO: Doctor Who at the BBC Volume 2 was first released.
 * 6 September - The Algebra of Ice  was first published.
 * 20 September - Ghost Light was released to DVD in the UK.
 * October - AUDIO: The Last was first released.
 * October - REF: Howe's Transcendental Toybox Update No. 1 was first published.
 * October - AUDIO :  Dalek Empire III :  The Future  was first released.
 * 4 October - The Deadstone Memorial  was first published.
 * 7 October - The Leisure Hive was released to DVD in Region 4.
 * 7 October - Short Trips: Monsters  was first published.
 * 17 October - This was the twenty-fifth anniversary of Doctor Who Magazine.
 * 19 October - Kitsune was first published.
 * November - AUDIO: Caerdroia was first released.
 * November - REF: The Discontinuity Guide, 2nd edition, was first published.
 * November - AUDIO: The Relics of Jegg-Sau was first released.
 * 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.
 * 1 November - The Indestructible Man  was first published.
 * 2 November - The Lost in Time DVD collection was issued in Region 1.
 * 7 November - Earthshock and Pyramids of Mars were released to DVD in Region 1.
 * December - AUDIO: The Next Life was first released.
 * December - AUDIO: Her Final Flight was first released.
 * December - PROSE: A Life in Pieces was first published.
 * December - AUDIO: Time Heals was first released.
 * December - AUDIO: Storm Mine was first released.
 * 2 December - The Severed Man was first published.
 * 2 December - The Lost in Time DVD box set was released in Region 4.
 * 2 December - Short Trips: 2040  was first published.
 * 9 December - 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.
 * 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.