On 6 April, a number of things set in or relevant to the Doctor Who universe were released or published.
- 1968 - Episode four of Fury from the Deep was first broadcast on BBC1.
- 1968 - Part two of the TV Comic story The Cyber Empire was first published.
- 1974 - Part three of The Monster of Peladon was first broadcast on BBC1.
- 1974 - Part five of the TV Comic story Is Anyone There? was first published.
- 1998 - Legacy of the Daleks and The Hollow Men were first published by BBC Books.
- 1999 - Revolution Man and Players were first published by BBC Books.
- 2011 - DWDVDF 59 was first published by GE Fabbri Ltd.
- 2013 - The Rings of Akhaten was first broadcast on BBC One.
- 2015 - The Ghost Trap was first released by Big Finish.