1973 (releases)


 * January - The Dr Who Colouring Book was published by World Distributors.
 * 6 January - The Three Doctors Episode Two debuted on BBC1.
 * 6 January - The sixth part of COMIC: Zeron Invasion was released.
 * 13 January - The Three Doctors Episode Three debuted on BBC1.
 * 13 January - The seventh and last part of COMIC: Zeron Invasion was released.
 * 20 January - The Three Doctors Episode Four debuted on BBC1.
 * 27 January - Carnival of Monsters Episode One debuted on BBC1.
 * 3 February - Carnival of Monsters Episode Two debuted on BBC1.
 * 10 February - Carnival of Monsters Episode Three debuted on BBC1.
 * 17 February - Carnival of Monsters Episode Four debuted on BBC1.
 * 24 February - Frontier in Space Episode One debuted on BBC1.
 * 3 March - Frontier in Space Episode Two debuted on BBC1.
 * 10 March - Frontier in Space Episode Three debuted on BBC1.
 * 17 March - Frontier in Space Episode Four debuted on BBC1.
 * 24 March - Frontier in Space Episode Five debuted on BBC1.
 * 31 March - Frontier in Space Episode Six debuted on BBC1.
 * 7 April - Planet of the Daleks Episode One debuted on BBC1.
 * 14 April - Planet of the Daleks Episode Two debuted on BBC1.
 * 21 April - Planet of the Daleks Episode Three debuted on BBC1.
 * 28 April - Planet of the Daleks Episode Four debuted on BBC1.
 * May - The BBC tv Special Effects Exhibition closed.
 * 2 May - Target Books reissued the 1960s novelisations Doctor Who in an Exciting Adventure with the Daleks by David Whitaker, Doctor Who and the Crusaders, also by Whitaker and Doctor Who and the Zarbi by Bill Strutton.
 * 5 May - Planet of the Daleks Episode Five debuted on BBC1.
 * 12 May - Planet of the Daleks Episode Six debuted on BBC1.
 * 19 May - The Green Death Episode One debuted on BBC1.
 * 26 May - The Green Death Episode Two debuted on BBC1.
 * 2 June - The Green Death Episode Three debuted on BBC1.
 * 7 June - The Dalek Appeal was first broadcast on an episode of Blue Peter.
 * 9 June - The Green Death Episode Four debuted on BBC1.
 * 16 June - The Green Death Episode Five debuted on BBC1.
 * 23 June - The Green Death Episode Six debuted on BBC1.
 * TV Action published its final issue, ending its Doctor Who comic strip.
 * September - The Dance of the Daleks was first broadcast on an episode of Vision On.
 * September - The Doctor Who Annual 1974 was published.
 * 1 September - After several years in another publication, the Doctor Who comic strip resumed in TV Comic.
 * 15 December - The Time Warrior Part One debuted on BBC1.
 * 15 December - Doctor Who was featured on the cover of the Radio Times.
 * 22 December - The Time Warrior Part Two debuted on BBC1.
 * 29 December - The Time Warrior Part Three debuted on BBC1.