On 17 April, a number of things set in or relevant to the Doctor Who universe were released or published.
- 1965 - "The Warlords" was first broadcast on BBC1.
- 1965 - Part three of Duel of the Daleks was first published in TV Century 21.
- 1971 - Episode two of Colony in Space was first broadcast on BBC1.
- 1971 - Part four of Timebenders was first published in Countdown.
- 1976 - Part five of the TV Comic story Treasure Trail was first published.
- 1997 - The Well-Mannered War was first published by Virgin Books.
- 2008 - Part one of the Torchwood Magazine comic story Rift War! was first published.
- 2008 - Part three of the Doctor Who Adventures comic story The Poison Planet was first published.
- 2010 - Victory of the Daleks was first broadcast on BBC One. Later, War Games aired on BBC Three.
- 2012 - The Emerald Tiger was first released by Big Finish Productions.
- 2013 - Prisoners of Time 4 was first published by IDW Publishing.
- 2013 - DWDVDF 112 was first published by GE Fabbri Ltd.
- 2014 - Toby Hadoke's Who's Round 57 was released online.
- 2015 - Toby Hadoke's Who's Round 116 was released online.