2004

January

 * Sometime Never First Published


 * The Creed of the Kromon First Released

February

 * The Scream of the Shalka First Published


 * Blood and Hope First Published


 * The Natural History of Fear First Released


 * 26 - Russell Hunter, who played Uvanov in The Robots of Death dies from lung cancer in Edinburgh, Scotland.

March

 * Empire of Death First Published


 * The Dalek Factor First Published


 * The Twilight Kingdom First Released


 * 3 - Sheila Dunn, who played Blossom Lefavre in "The Daleks' Master Plan," the telephone operator in "The Invasion," and Petra Williams in "Inferno," dies.


 * 27 - Peter Diamond, who played numerous roles and many of the stunts on the original Doctor Who television series, dies from a stroke in Wakefield, Yorkshire, England.

April

 * Halflife First Published


 * Short Trips 6: Past Tense First Published


 * The Axis of Insanity First Released


 * 19 - Philip Locke (Bigon in Four to Doomsday) dies.

May

 * The Eleventh Tiger First Published


 * Arrangements for War First Released


 * 3rd - Anthony Ainley dies at Harrow in London.

June

 * The Tomorrow Windows First Published


 * Short Trips 7: Life Science First Published


 * The Harvest First Released


 * 18 - Frederick Jaeger, who played Jano in "The Savages," Professor Sorenson in "Planet of Evil," and Professor Marius in "The Invisible Enemy," dies in Majorca, Spain.


 * 19 - Colin McCormack, who portrayed the Commander in The Sun Makers dies in Middlesex, England following a battle with cancer.


 * 23 - Peter Birrel, who appeared as the Draconian Prince in Frontier in Space dies in Bath, England after losing a battle with cancer.

July

 * Synthespians&trade; First Published


 * The Roof of the World First Released


 * 31 - Robert James, who played Lesterson in "The Power of the Daleks" and the High Priest in "The Masque of Mandragora," dies from complications of Alzheimer's Disease.

August

 * The Sleep of Reason First Published


 * Short Trips 8: Repercussions First Published


 * Medicinal Purposes First Released

September

 * The Algebra of Ice First Published


 * Faith Stealer First Released


 * 10 - Glyn Owen (Rohm-Dutt in The Power of Kroll) dies from a cancer-related illness in Caernarfon, Gwynedd, Wales, UK.

October

 * The Deadstone Memorial First Published


 * Short Trips 9: Monsters First Published


 * The Last First Released


 * Geoffrey Cheshire, who played numerous roles on the original Doctor Who series and also played a Roboman in "Daleks' Invasion Earth: 2150 AD," dies.

November

 * The Indestructible Man First Published


 * Short Trips 10: 2040 First Published


 * Caerdroia First Released

December

 * Short Trips 11: A Christmas Treasury First Published


 * The Next Life First Released


 * Her Final Flight First Released

Unknown date

 * Alec Wallis, who was used by director Michael E. Briant as Ldg. Telegraphist Bowman]] in The Sea Devils and Warner in Revenge of the Cybermen dies.


 * Andrew Tourell, who appeared as Constable Cummings in Black Orchid dies.


 * John Slavid, who had small roles in "The Massacre of St Bartholomew's Eve" and "The War Machines," dies.


 * William Marlowe, who played Harry Mailer in The Mind of Evil and Lester in Revenge of the Cybermen dies.