| 1 | ||||||
| 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| 23 | 24 | 25 | 26 | 27 | 28 | 29 |
| 30 | 31 |
On 18 May, a number of things set in or relevant to the Doctor Who universe were released or published.
- 1968 - Episode four of The Wheel in Space was first broadcast on BBC1.
- 1968 - Part four of the TV Comic story The Dyrons was first published.
- 1974 - Episode three of Planet of the Spiders was first broadcast on BBC1.
- 1974 - Part one of the TV Comic story Size Control was first published.
- 1978 - The novelisation of The Tomb of the Cybermen was released by Target Books.
- 1989 - The Nightmare Fair was first published by Target Books.
- 1995 - The Menagerie and Human Nature was first published by Virgin Books.
- 1995 - The Discontinuity Guide was first published by Doctor Who Books.
- 1998 - The Mind of Evil was released on VHS.
- 2006 - I Am a Dalek was first published by BBC Books.
- 2006 - TDW 6 aired on CBBC.
- 2011 - DWDVDF 62 was first published by GE Fabbri Ltd.
- 2011 - Crime of the Century was first released by Big Finish Productions.
- 2011 - AFL 2 was first released by IDW Publishing.
- 2013 - The Name of the Doctor was first broadcast on BBC One.
- 2013 - Strax Field Report: A Glorious Day was released online.
- 2016 - TCH 30 was first released by Hachette Partworks.
- 2017 - A Brief History of Time Lords was first published by BBC Books.
- 2017 - The graphic novel Emperor of the Daleks was first published by Panini Comics.
- 2017 - The Dangerous Book of Monsters was first published by Penguin Group.
- 2017 - DWFC 98 was first released by Eaglemoss Collections.
- 2021 - The Third Doctor Adventures: Volume Seven was first released by Big Finish.