1974 (releases)

January

 * 5 January - Part Four of The Time Warrior debuted on BBC1.
 * 5 January - The fourth part of The Amateur was first published in TV Comic.
 * 6 January - Billy Smart's Children's Circus debuted on BBC1.
 * 12 January - Part One of Invasion of the Dinosaurs debuted on BBC1.
 * 12 January - The fifth part of The Amateur was first published in TV Comic.
 * 17 January - Doctor Who and the Auton Invasion and Doctor Who and the Cave-Monsters, novelisations of Spearhead from Space and Doctor Who and the Silurians, were first published by Target Books.
 * 19 January - Part Two of Invasion of the Dinosaurs debuted on BBC1.
 * 19 January - The sixth part of The Amateur was first published in TV Comic.
 * 26 January - Part Three of Invasion of the Dinosaurs debuted on BBC1.
 * 26 January - The seventh and final part of The Amateur was first published in TV Comic.

February

 * 2 February - Part Four of Invasion of the Dinosaurs debuted on BBC1.
 * 2 February - The first part of The Disintegrator was first published in TV Comic.
 * 9 February - Part Five of Invasion of the Dinosaurs debuted on BBC1.
 * 9 February - The second part of The Disintegrator was first published in TV Comic.
 * 16 February - Part Six of Invasion of the Dinosaurs debuted on BBC1.
 * 16 February - The third part of The Disintegrator was first published in TV Comic.
 * 23 February - Part One of Death to the Daleks debuted on BBC1.
 * 23 February - The fourth part of The Disintegrator was first published in TV Comic.

March

 * 2 March - Part Two of Death to the Daleks debuted on BBC1.
 * 2 March - The fifth and final part of The Disintegrator was first published in TV Comic.
 * 9 March - Part Three of Death to the Daleks debuted on BBC1.
 * 9 March - The first part of Is Anyone There? was first published in TV Comic.
 * 16 March - Part Four of Death to the Daleks debuted on BBC1.
 * 16 March - The second part of Is Anyone There? was first published in TV Comic.
 * 23 March - Part One of The Monster of Peladon debuted on BBC1.
 * 23 March - The third part of Is Anyone There? was first published in TV Comic.
 * 27 March - Doctor Who and the Doomsday Weapon and Doctor Who and the Day of the Daleks, novelisations of Colony in Space and Day of the Daleks, were first published by Target Books.
 * 30 March - Part Two of The Monster of Peladon debuted on BBC1.
 * 30 March - The fourth part of Is Anyone There? was first published in TV Comic.

April

 * 6 April - Part Three of The Monster of Peladon debuted on BBC1.
 * 6 April - The fifth part of Is Anyone There? was first published in TV Comic.
 * 12 April - The Doctor Who Exhibition at Longleat House was opened.
 * 13 April - Part Four of The Monster of Peladon debuted on BBC1.
 * 13 April - The sixth part of Is Anyone There? was first published in TV Comic.
 * 14 April - The Blackpool Doctor Who Exhibition was opened.
 * 20 April - Part Five of The Monster of Peladon debuted on BBC1.
 * 20 April - The seventh part of Is Anyone There? was first published in TV Comic.
 * 27 April - Part Six of The Monster of Peladon debuted on BBC1.
 * 27 April - The eighth part of Is Anyone There? was first published in TV Comic.

May

 * 4 May - Part One of Planet of the Spiders debuted on BBC1.
 * 4 May - The ninth part of Is Anyone There? was first published in TV Comic.
 * 11 May - Part Two of Planet of the Spiders debuted on BBC1.
 * 11 May - The tenth and final part of Is Anyone There? was first published in TV Comic.
 * 18 May - Part Three of Planet of the Spiders debuted on BBC1.
 * 18 May - The first part of Size Control was first published in TV Comic.
 * 25 May - Part Four of Planet of the Spiders debuted on BBC1.
 * 25 May - The second part of Size Control was first published in TV Comic.

June

 * 1 June - Part Five of Planet of the Spiders debuted on BBC1.
 * 1 June - The third part of Size Control was first published in TV Comic.
 * 8 June - Part Six of Planet of the Spiders debuted on BBC1.
 * 8 June - The fourth part of Size Control was first published in TV Comic.
 * 15 June - The fifth part of Size Control was first published in TV Comic.
 * 22 June - The sixth part of Size Control was first published in TV Comic.
 * 29 June - The seventh and final part of Size Control was first published in TV Comic.

July

 * 6 July - The first part of The Magician was first published in TV Comic.
 * 13 July - The second part of The Magician was first published in TV Comic.
 * 20 July - The third part of The Magician was first published in TV Comic.
 * 27 July - The fourth part of The Magician was first published in TV Comic.

August

 * 3 August - The fifth part of The Magician was first published in TV Comic.
 * 10 August - The sixth part of The Magician was first published in TV Comic.
 * 17 August - The seventh and final part of The Magician was first published in TV Comic.
 * 24 August - The first part of The Metal-Eaters was first published in TV Comic.
 * 31 August - The second part of The Metal-Eaters was first published in TV Comic.

September

 * September - The Doctor Who Annual 1975 was first published.
 * 7 September - The third part of The Metal-Eaters was first published in TV Comic.
 * 14 September - The fourth part of The Metal-Eaters was first published in TV Comic.
 * 21 September - The fifth part of The Metal-Eaters was first published in TV Comic.
 * 28 September - The sixth part of The Metal-Eaters was first published in TV Comic.

October

 * 5 October - The seventh and last part of The Metal-Eaters was first published in TV Comic.
 * 12 October - The first part of Lords of the Ether was first published in TV Comic.
 * 17 October - Doctor Who and the Dæmons and Doctor Who and the Sea-Devils, novelisations of The Dæmons and The Sea Devils, were first published by Target Books.
 * 19 October - The second part of Lords of the Ether was first published in TV Comic.
 * 26 October - The third part of Lords of the Ether was first published in TV Comic.

November

 * 2 November - The fourth part of Lords of the Ether was first published in TV Comic.
 * 9 November - The fifth part of Lords of the Ether was first published in TV Comic.
 * 16 November - The sixth part of Lords of the Ether was first published in TV Comic.
 * 21 November - Doctor Who and the Abominable Snowmen, a novelisation of The Abominable Snowmen, was first published by Target Books.
 * 23 November - The seventh part of Lords of the Ether was first published in TV Comic.
 * 30 November - The eighth and final part of Lords of the Ether was first published in TV Comic.

December

 * 7 December - The first part of The Wanderers was first published in TV Comic.
 * 14 December - The second part of The Wanderers was first published in TV Comic.
 * 16 December - The stage play Doctor Who and the Daleks in Seven Keys to Doomsday premiered at the Adelphi Theatre.
 * 21 December - The third part of The Wanderers was first published in TV Comic.
 * 28 December - Part One of Robot debuted on BBC1.
 * 28 December - The fourth part of The Wanderers was first published in TV Comic.

Unknown dates

 * Doctor Who Holiday Special 1974 was relased by Polystyle.
 * The 1974 TV Comic Holiday, featuring the story Signal S.O.S., was released.
 * The 1974 Countdown Annual, featuring the story The Hungry Planet, was released.