1977 (releases)

January

 * 1 January - The Face of Evil Part One debuted on BBC1.
 * 1 January - The third part of COMIC: Dredger was released.
 * 8 January - The Face of Evil Part Two debuted on BBC1.
 * 8 January - The fourth part of COMIC: Dredger was released.
 * 15 January - The Face of Evil Part Three debuted on BBC1.
 * 15 January - The fifth part of COMIC: Dredger was released.
 * 20 January - Doctor Who and the Carnival of Monsters was first published.
 * 22 January - The Face of Evil Part Four debuted on BBC1.
 * 22 January - The sixth part of COMIC: Dredger was released.
 * 26 January - Tom Baker was interviewed on the BBC Radio 4 program Woman's Hour.
 * 29 January - The Robots of Death Part One debuted on BBC1.
 * 29 January - The seventh and last part of COMIC: Dredger was released.

February

 * 5 February - The Robots of Death Part Two debuted on BBC1.
 * 5 February - The first part of COMIC: The False Planet was released.
 * 12 February - The Robots of Death Part Three debuted on BBC1.
 * 12 February - The second part of COMIC: The False Planet was released.
 * 17 February - Doctor Who and the Seeds of Doom was first published.
 * 19 February - The Robots of Death Part Four debuted on BBC1.
 * 19 February - The third part of COMIC: The False Planet was released.
 * 26 February - The Talons of Weng-Chiang Part One debuted on BBC1.
 * 26 February - The fourth part of COMIC: The False Planet was released.

March

 * 5 March - The Talons of Weng-Chiang Part Two debuted on BBC1.
 * 5 March - The fifth part of COMIC: The False Planet was released.
 * 12 March - The Talons of Weng-Chiang Part Three debuted on BBC1.
 * 12 March - The sixth and last part of COMIC: The False Planet was released.
 * 19 March - The Talons of Weng-Chiang Part Four debuted on BBC1.
 * 19 March - The first part of COMIC: The Fire Feeders was released.
 * 24 March - Doctor Who and the Dalek Invasion of Earth was first published.
 * 26 March - The Talons of Weng-Chiang Part Five debuted on BBC1.
 * 26 March - The second part of COMIC: The Fire Feeders was released.

April

 * 2 April - The Talons of Weng-Chiang Part Six debuted on BBC1.
 * 2 April - The third part of COMIC: The Fire Feeders was released.
 * 3 April - Whose Doctor Who was first broadcast.
 * 9 April - The fourth part of COMIC: The Fire Feeders was released.
 * 16 April - The fifth part of COMIC: The Fire Feeders was released.
 * 21 April - Doctor Who and the Claws of Axos was first published.
 * 23 April - The sixth part of COMIC: The Fire Feeders was released.
 * 30 April - The seventh part of COMIC: The Fire Feeders was released.

May

 * 7 May - The eighth and final part of COMIC: The Fire Feeders was released.
 * 10 May - Doctor Who and the Ark in Space was first published.
 * Tom Baker and Louise Jameson appeared on Pebble Mill at One on BBC One.
 * 14 May - The first part of COMIC: Kling Dynasty was released.
 * 21 May - The second part of COMIC: Kling Dynasty was released.
 * 28 May - The third part of COMIC: Kling Dynasty was released.

June

 * 4 June - The fourth part of COMIC: Kling Dynasty was released.
 * 11 June - The fifth part of COMIC: Kling Dynasty was released.
 * 18 June - The sixth part of COMIC: Kling Dynasty was released.
 * 23 June - Doctor Who and the Brain of Morbius was first published.
 * 25 June - The seventh part of COMIC: Kling Dynasty was released.

July

 * 2 July - The eighth and final part of COMIC: Kling Dynasty was released.
 * 9 July - The first part of COMIC: The Orb was released.
 * 16 July - The second part of COMIC: The Orb was released.
 * 23 July - The third part of COMIC: The Orb was released.
 * 30 July - The fourth part of COMIC: The Orb was released.

August

 * 6 August - The fifth part of COMIC: The Orb was released.
 * 13 August - The sixth part of COMIC: The Orb was released.
 * 18 August - The Planet of Evil novelisation was first published.
 * 20 August - The seventh and last part of COMIC: The Orb was released.
 * 27 August - The first part of COMIC: The Mutants was released.

September

 * September - The Doctor Who Annual 1978 was published.
 * September - Terry Nation's Dalek Annual 1978 was published.
 * 3 September - Horror of Fang Rock Part One debuted on BBC1.
 * 3 September - The second part of COMIC: The Mutants was released.
 * 10 September - Horror of Fang Rock Part Two debuted on BBC1.
 * 10 September - The third part of COMIC: The Mutants was released.
 * 17 September - Horror of Fang Rock Part Three debuted on BBC1.
 * 17 September - The fourth part of COMIC: The Mutants was released.
 * 24 September - Horror of Fang Rock Part Four debuted on BBC1.
 * 24 September - The fifth part of COMIC: The Mutants was released.
 * 29 September - Doctor Who and the Mutants was first published.

October

 * 1 October - The Invisible Enemy Part One debuted on BBC1.
 * 1 October - The sixth part of COMIC: The Mutants was released.
 * 8 October - The Invisible Enemy Part Two debuted on BBC1.
 * 8 October - The seventh and last part of COMIC: The Mutants was released.
 * 15 October - The Invisible Enemy Part Three debuted on BBC1.
 * 15 October - The first part of COMIC: The Devil's Mouth was released.
 * 20 October - Doctor Who and the Deadly Assassin was first published.
 * 20 October - The Second Doctor Who Monster Book was first published
 * 22 October - The Invisible Enemy Part Four debuted on BBC1.
 * 22 October - The second part of COMIC: The Devil's Mouth was released.
 * 29 October - Image of the Fendahl Part One debuted on BBC1.
 * 29 October - The third part of COMIC: The Devil's Mouth was released.

November

 * 5 November - Image of the Fendahl Part Two debuted on BBC1.
 * 5 November - The fourth part of COMIC: The Devil's Mouth was released.
 * 12 November - Image of the Fendahl Part Three debuted on BBC1.
 * 12 November - The fifth and final part of COMIC: The Devil's Mouth was released.
 * 15 November - Doctor Who and the Talons of Weng-Chiang was first published.
 * 17 November - Target Books launched a series of educational books under the banner Doctor Who Discovers. The first three books, published this date, were Doctor Who Discovers: Early Man, Doctor Who Discovers: Prehistoric Animals and Doctor Who Discovers: Space Travel.
 * 19 November - Image of the Fendahl Part Four debuted on BBC1.
 * 19 November - The first part of COMIC: The Aqua-City was released.
 * 26 November - The Sun Makers Part One debuted on BBC1.
 * 26 November - The second part of COMIC: The Aqua-City was released.

December

 * 3 December - The Sun Makers Part Two debuted on BBC1.
 * 3 December - The third part of COMIC: The Aqua-City was released.
 * 8 December - Doctor Who and the Masque of Mandragora was first published.
 * 10 December - The Sun Makers Part Three debuted on BBC1.
 * 10 December - The fourth part of COMIC: The Aqua-City was released.
 * 17 December - The Sun Makers Part Four debuted on BBC1.
 * 17 December - The fifth part of COMIC: The Aqua-City was released.
 * 24 December - The sixth part of COMIC: The Aqua-City was released.
 * 31 December - The seventh part of COMIC: The Aqua-City was released.

Unknown dates

 * Doctor Who Winter Special 1977 was released by Polystyle.
 * The 1977 TV Comic Holiday, featuring the story The Sky Warrior, was released.
 * The 1977 TV Comic Annual, featuring the story The Tansbury Experiment, was released.