1990 (releases)

January

 * January - An Unearthly Child was first released on BBC Video in the UK.
 * January - DWM 157 was released.
 * 18 January - Doctor Who - Planet of Giants was first published.
 * Target Books republished Doctor Who - The War Games and Doctor Who - An Unearthly Child.

February

 * February - Who's the Real McCoy? was released on cassette by Silver Fist Productions.
 * February - DWM 158 was released.
 * 15 February - Doctor Who - The Happiness Patrol was first published.

March

 * 8 March - DWM 159 was released.
 * 15 March - Doctor Who - The Space Pirates was first published.

April

 * 12 April - DWM 160 was released.
 * 27 April - Abslom Daak - Dalek Killer graphic novel was first published by Marvel Comics.

May

 * 10 May - DWM 161 was released.

June

 * 14 June - DWM 162 was released.
 * 21 June - Doctor Who - Remembrance of the Daleks was first published.

July

 * July - Pertwee in Person: Jon Pertwee Talks with David Banks was released on cassette by Silver Fist Productions.
 * 12 July - DWM 163 was released.
 * 12 July - WHYY aired An Unearthly Child as the final PBS Doctor Who broadcast.
 * 19 July - Doctor Who - Mission to Magnus was first published.

August

 * 9 August - DWM 164 was released.

September

 * 6 September - DWM 165 was released.
 * 20 September - Doctor Who - Ghost Light was first published.
 * 20 September - The paperback edition of REF: Doctor Who: Cybermen was published.

October

 * 4 October - DWM 166 was released.
 * 18 October - Doctor Who - Survival was first published.
 * 25 October - REF: Encyclopedia of The Worlds of Doctor Who: L-R was first published.

November

 * 1 November - DWM 167 was released.
 * 29 November - DWM 168 was released.

December

 * 15 December - Doctor Who - The Curse of Fenric was first published.
 * 27 December - DWM 169 was released.

Unknown dates

 * Unknown - An Unearthly Child was published in Germany under the title Doctor Who und das Kind von den Sternen.
 * A BBC Video Advert was released.