On 15 April, a number of things set in or relevant to the Doctor Who universe were released or published.
- 1967 - Episode two of The Faceless Ones was first broadcast on BBC1.
- 1967 - Part two of the TV Comic story Master of Spiders was first published.
- 1972 - Episode two of The Mutants was first broadcast on BBC1.
- 1972 - Part seven of the TV Action comic story The Planet of the Daleks was first published.
- 1978 - Part two of the TV Comic story Guardian of the Tomb was first published.
- 1993 - Deceit was first published by Virgin Books.
- 1993 - The graphic novel The Mark of Mandragora was first published by Virgin Books.
- 2006 - New Earth was first broadcast on BBC One. Later, New New Doctor aired on BBC Three. Tardisode 2 was released online.
- 2009 - The Doctor Who: Battles in Time comic story The Rebirth of Corah was first published.
- 2010 - The Doctor Who Adventures comic story Madness on the M1! was first published.
- 2010 - Part one of the Torchwood Magazine comic story Shrouded was first published.