On 18 March, a number of things set in or relevant to the Doctor Who universe were released or published.
- 1967 - Episode two of The Macra Terror was first broadcast on BBC1.
- 1967 - Part one of the TV Comic story The Zombies was first published.
- 1972 - Episode four of The Sea Devils was first broadcast on BBC1.
- 1972 - Part three of the TV Action comic story The Planet of the Daleks was first published.
- 1976 - The novelisation of The Ice Warriors was first published by Target Books.
- 1978 - Part five of the TV Comic story The Space Garden was first published.
- 1993 - The Pit was first published by Virgin Books.
- 1993 - The script to The Power of the Daleks was published by Titan Books.
- 1993 - DWM 198 was first released by Marvel Comics.
- 2004 - The Tunnel at the End of the Light was first published by Telos Publishing.
- 2004 - The Dalek Factor was first published by Telos Publishing.
- 2004 - DWMSE 7 was first released by Panini Comics.
- 2009 - The Doctor Who: Battles in Time comic story The King of Earth was first published.
- 2010 - The Doctor Who Adventures comic story Borrowed Time was first published.
- 2011 - Space and Time were first broadcast for Red Nose Day. After this, a live scene, The Doctor Drops In, was also broadcast.
- 2015 - Part four of the Doctor Who: The Tenth Doctor comic story The Weeping Angels of Mons and part six of A Rose by Any Other Name were first published.
- 2019 - The Complete Eighteenth Season was released on Blu-ray.
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