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On 4月17日, 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.
- 1980 - DWM 28 was released by Marvel Comics.
- 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 - DWA 60 was first released by BBC Magazines.
- 2010 - Victory of the Daleks was first broadcast on BBC One. Later, War Games aired on BBC Three and The Ultimate Guide on BBC America.
- 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.
- 2014 - DWMSE 37 was first released by Panini Comics.
- 2015 - Toby Hadoke's Who's Round 116 was released online.
- 2018 - The Helliax Rift was first released by Big Finish Productions.
- 2019 - The Monsters of Gokroth was first released by Big Finish Productions.
- 2022 - Legend of the Sea Devils was first broadcast on BBC One.
- 2022 - SOS was first released on BBC Sounds.