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On 29 December, a number of things set in or relevant to the Doctor Who universe were released or published.
- 1973 - Part three of The Time Warrior was first broadcast on BBC1.
- 1973 - Part three of the TV Comic story The Amateur was first published.
- 1979 - Part two of The Horns of Nimon was first broadcast on BBC1.
- 1993 - Planet of Evil and Dragonfire were released on VHS.
- 2008 - Battlefield was first released on Region 2 DVD.
- 2010 - DWDVDF 52 was first published by GE Fabbri Ltd.
- 2011 - DWA 249 was first released by Immediate Media Company London Limited.
- 2016 - Forever Fallen was first released by Big Finish Productions.
- 2016 - DWFC 88 was first released by Eaglemoss Collections.
- 2017 - Landbound was first released by Big Finish.
- 2017 - Auld Acquaintance was first published by Thebes Publishing.
- 2017 - What's Past is Prologue was first published by Candy Jar Books.
- 2018 - The Last Day at Work was first released by Big Finish.
- 2019 - The Best-Laid Plans was first released by Big Finish.
- 2020 - Free Speech was first released by Big Finish.
- 2021 - The Lichyrwick Abomination was first released by Big Finish.
- 2022 - The World Tree was first released by Big Finish.
- 2023 - The Hoxteth Time Capsule was first released by Big Finish.