18 May (releases)

* 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.