1987 (releases)

January

 * January - DWM 121 was published.
 * 15 January - Doctor Who - Slipback was published in paperback.

February

 * February - DWM 122 was published.
 * 19 February - Doctor Who - Black Orchid was first published.

March

 * 12 March - DWM 123 was published.
 * 19 March - Doctor Who - The Ark was first published.
 * 19 March - REF: The Doctor Who Illustrated A to Z was published in paperback.

April

 * 9 April - DWM 124 was published.
 * 16 April - Doctor Who - The Mind Robber was first published.

May

 * May - DWM 125 was published.
 * 21 May - Doctor Who - The Faceless Ones was first published.
 * 21 May - REF: The Doctor Who Fun Book was first published.

June

 * 11 June - DWM 126 was published.
 * 15 June - Junior Doctor Who and the Brain of Morbius was reissued by Target Books with a modified cover design.
 * 18 June - Doctor Who - The Space Museum was first published.

July

 * 9 July - DWM 127 was published.
 * 16 July - Doctor Who - The Sensorites was first published.

August

 * 13 August - DWM 128 was published.
 * 20 August - Doctor Who - The Reign of Terror was first published.

September

 * September - DWM 129 was published.
 * 7 September - Time and the Rani Part One debuted on BBC1.
 * 14 September - Time and the Rani Part Two debuted on BBC1.
 * 17 September - REF: Doctor Who: The Time-Travellers' Guide was first published.
 * 19 September - Doctor Who - The Romans was first published.
 * 21 September - Time and the Rani Part Three debuted on BBC1.
 * 28 September - Time and the Rani Episode 4 debuted on BBC1.
 * 28 September - Star Trek: The Next Generation debuted on US television.
 * Autumn - Doctor Who Magazine Autumn Special 1987 was published.

October

 * 1 October - Doctor Who - The Ambassadors of Death was first published.
 * 5 October - Paradise Towers Part One debuted on BBC1.
 * 8 October - DWM 130 was published.
 * 12 October - Paradise Towers Part Two debuted on BBC1.
 * 15 October - K9 and Company was first published.
 * 15 October - The paperback edition of REF: The Key to Time: A Year by Year Record was published.
 * 19 October - Paradise Towers Part Three debuted on BBC1.
 * 19 October - REF: Build the TARDIS was first published.
 * 26 October - Paradise Towers Part Four debuted on BBC1.

November

 * 2 November - Delta and the Bannermen Part One debuted on BBC1.
 * 9 November - Delta and the Bannermen Part Two debuted on BBC1.
 * 12 November - DWM 131 was published.
 * 16 November - Delta and the Bannermen Part Three debuted on BBC1.
 * 19 November - Doctor Who - The Massacre was first published.
 * 23 November - Dragonfire Part One debuted on BBC1.
 * 23 November - REF: Encyclopedia of The Worlds of Doctor Who: A-D was first published.
 * 30 November - Dragonfire Part Two debuted on BBC1.

December

 * December - DWM 132 was published.
 * 7 December - Dragonfire Part Three debuted on BBC1.
 * 10 December - Doctor Who - The Macra Terror was first published.
 * 18 December - Doctor Who and Crayola was broadcast on the BBC.

Unknown dates

 * Unknown - HOMEVID: Wartime was released by Reeltime Pictures.
 * Unknown - The Doctor Who USA Tour ended.