4 April (releases)


 * 1964 - "Assassin at Peking" was first broadcast on BBC tv.
 * 1970 - Episode three of The Ambassadors of Death was first broadcast on BBC1.
 * 1970 - Part one of the TV Comic story Insect was first published.
 * 1985 - DWM 100 was first released by Marvel Comics.
 * 2002 - DWM 316 was first released by Panini Comics.
 * 2007 - The Doctor Who: Battles in Time comic story Lonely Planet was first published.
 * 2008 - Exit Wounds was first broadcast on BBC Two. Later, Avulsion aired with it.
 * 2009 - The Beast of Orlok: Part 1 was first released in Big Finish's Eighth Doctor Adventures Series 3.
 * 2010 - Liberation was first broadcast on Disney XD, six months after its original, planned broadcast, 9 October.
 * 2012 - DWDVDF 85 was first published by GE Fabbri Ltd.
 * 2013 - Summer Falls was first published by BBC Digital.
 * 2013 - DWA 314 was first released by Immediate Media Company London Limited.
 * 2013 - DWM 459 was first released by Panini Comics.
 * 2013 - The audiobook version of The Rescue was first released by BBC Audio.
 * 2014 - Toby Hadoke's Who's Round 54 was released online.
 * 2017 - Act two of The Jago & Litefoot Revival was first released by Big Finish Productions.
 * 2017 - The graphic novel The Malignant Truth was first published by Titan Comics.
 * 2018 - TCH 35 was first released by Hachette Partworks.
 * 2019 - DWM 537 was first released by Panini Comics.
 * 2019 - The audiobook version of Warriors' Gate and The Winged Coven were released by BBC Audio.
 * 2019 - DWFC 147 was first released by Eaglemoss Collections.
 * 2022 - The Talons of Weng-Chiang was first published by Obverse Books.