11 April (releases)

* 1964 - "The Sea of Death" was first broadcast on BBC tv.
* 1970 - Episode four of The Ambassadors of Death was first broadcast on BBC1.
* 1970 - Part two of the TV Comic story Insect was first published.
* 1985 - The novelisation of Marco Polo was released by Target Books.
* 1994 - The CD The Worlds of Doctor Who was first released by Silva Screen.
* 1996 - DWM 238 was first released by Marvel Comics.
* 2009 - Planet of the Dead was first broadcast on BBC One. Later, Desert Storm aired on BBC Three.
* 2009 - The Beast of Orlok: Part 2 was first released in Big Finish's Eighth Doctor Adventures Series 3.
* 2013 - DWA 315 was first released by Immediate Media Company London Limited.
* 2014 - Moonflesh and The Evil One were first released by Big Finish.
* 2014 - Toby Hadoke's Who's Round 56 was released online.
* 2017 - The Helm of Awe was first released by Big Finish.
* 2017 - VOR 98 was published by Big Finish Productions.
* 2020 - Rory's Story was first released online.