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On 4月25日, a number of things set in or relevant to the Doctor Who universe were released or published.
- 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.