25 April (releases)

* 1964 - "The Screaming Jungle" was first broadcast on BBC1.
* 1970 - Episode six of The Ambassadors of Death was first broadcast on BBC1.
* 1970 - Part four of the TV Comic story Insect was first published.
* 1977 - Doctor Who and the Claws of Axos was released in hardback by Target Books.
* 2005 - The Claws of Axos was released on Region 2 DVD.
* 2009 - Wirrn Dawn: Part 2 was first released in Big Finish's Eighth Doctor Adventures Series 3.
* 2010 - Part one of the BBC Audio story Pest Control was offered as part of a week-long giveaway by The Daily Telegraph.
* 2013 - DWA 317 was first released by Immediate Media Company London Limited.
* 2014 - Toby Hadoke's Who's Round 58 was released online.
* 2017 - Dr. First, Dr. Fourth, Dr. Eleventh and Dr. Twelfth were first published by Puffin Books.
* 2018 - Believe was first released by Big Finish Productions
* 2020 - Sweet Revenge was first released by Candy Jar Books.
* 2023 - Iris Wildthyme and the Polythene Terror was released by Big Finish as a digital download.