Timeline for 2004

21st century | 2000s

1998 • 1999 • 2000 • 2001 • 2002 • 2003 • 2005 • 2006 • 2007 • 2008 • 2009 • 2010

In 2004, a number of things set in or relevant to the Doctor Who universe were released or published.

January

• 5 January - Sometime Never... was first published.
• 7 January - The Two Doctors was released to DVD in Region 4 in the Australian market.
• 8 January - DWM 339 was released.
• 15 January - Short Trips: Steel Skies was first published.
• 19 January - The Visitation was released to DVD in Region 2 in the UK.
• 20 January - AUDIO: The Creed of the Kromon was first released.

February

• February - AUDIO: Death and the Daleks was first released.
• February - AUDIO: A Labyrinth of Histories was first released.
• 2 February - Scream of the Shalka, the novelisation of WC: Scream of the Shalka webcast, was published.
• 2 February - Fury from the Deep was released by BBC Audio.
• 4 February - DWM 340 was released.
• 7 February - The Curse of Fenric was released to DVD in Region 4.
• 19 February - The novella Blood and Hope was first published by Telos Publishing.

March

• March - AUDIO: Weapon of Choice was first released.
• 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.
• 2 March - AUDIO: The Natural History of Fear was first released.
• 4 March - DWM 341 was released.
• 11 March - AUDIO: The Twilight Kingdom was first released.
• 18 March - The novella The Dalek Factor was first published by Telos Publishing.

April

• April - AUDIO: The Axis of Insanity was first released.
• April - AUDIO: Square One and AUDIO: The Inquiry were first released.
• April - PROSE: Of the City of the Saved... was first published, featuring PROSE: Prologue to Warlords of Utopia.
• 1 April - DWM 342 was released.
• 3 April - The Feast of the Stone was released online.
• 5 April - Halflife was first published.
• 7 April - The Iron Legion graphic novel was first published.
• 8 April - The Visitation was released to DVD in Region 4.
• 8 April - The Audio Scripts: Volume Three was released by Big Finish.
• 9 April - Short Trips: Past Tense was first published.
• 28 April - DWM 343 was released.
• 28 April - PROSE: The Tunnel at the End of the Light.

May

• 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.
• 3 May - The Wheel in Space was released by BBC Audio.
• 10 May - The Green Death was released on DVD in region 2 in the UK.
• 27 May - DWM 344 was released.

June

• 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.
• 14 June - PROSE: The Clockwork Woman.
• 24 June - DWM 345 was released.
• 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.
• 26 June - AUDIO: The Harvest was first released.
• 26 June - Short Trips: Life Science was first published.
• 29 June - AUDIO: Dalek Empire III: The Healers was first released.

July

• July - PROSE: A Life Worth Living was first published.
• July - Dalek Empire III: The Survivors and The Roof of the World were first released.
• July - Dalek Empire: The Scripts was released by Big Finish.
• 5 July - The Leisure Hive was released to DVD in the UK.
• 7 July - AUDIO: The Grel Escape
• 19 July - Synthespians™ was first published.
• 19 July - Tales from the TARDIS: Volume One and Tales from the TARDIS: Volume Two were first released.
• 22 July - DWM 346 was released.

August

• August - AUDIO: Medicinal Purposes was first released.
• August - AUDIO: Dalek Empire III: The Demons was first released.
• 2 August - The Sleep of Reason was first published.
• 2 August - The Power of the Daleks and The Evil of the Daleks were re-released by BBC Audio.
• 5 August - The Green Death was released to DVD in Region 4.
• 19 August - DWM 347 was released.
• 26 August - Short Trips: Repercussions was first published by Big Finish Productions.

September

• September - AUDIO: Faith Stealer was first released.
• September - AUDIO: Dalek Empire III: The Warriors was first released.
• September - PROSE: Kitsune was published.
• 6 September - AUDIO: Doctor Who at the BBC Volume 2 was first released.
• 6 September - The Algebra of Ice was first published.
• 10 September - AUDIO: The Bone of Contention was first released.
• 16 September - DWM 348 was released.
• 20 September - Ghost Light was released to DVD in the UK.
• 30 September - Short Trips: Monsters was first published.

October

• 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.
• 14 October - DWM 349 was released.
• 18 October - AUDIO: The Last was first released.

November

• 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.
• November - PROSE: Dead Romance was republished, featuring PROSE: Toy Story, The Cosmology of the Spiral Politic and Grass.
• November - PROSE: Warlords of Utopia was first published, featuring PROSE: Prologue to Warring States.
• 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.
• 1 November - The audio box set Cybermen was released by BBC Audio, containing audio recordings of The Tenth Planet and The Invasion.
• 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.
• 10 November - The Nuclear Option was made available for free on the Big Finish website two weeks before the rest of Short Trips: 2040 was released.
• 11 November - DWM 350 was released.
• 26 November - Short Trips: 2040 was first published.

December

• 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.
• 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 DWM 351.
• 14 December - Ships That Pass was made available for free on the Big Finish website two weeks before the rest of Short Trips: A Christmas Treasury was published.
• 20 December - Radiophon-A-Tron was launched online on the Doctor Who website.
• 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.
• PROSE: The Feast of the Stone was published to the BBC website.