2月21日（發行）

2月21日

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錯誤：時間無效。

On 2月21日, a number of things set in or relevant to the Doctor Who universe were released or published.

1970 - Episode four of Doctor Who and the Silurians was first broadcast on BBC1.
1970 - Part six of the TV Comic story The Arkwood Experiments was first published.
1976 - Episode four of The Seeds of Doom was first broadcast on BBC1.
1976 - Part four of the TV Comic story Virus was first published.
1980 - The novelisation of The Invasion of Time was first published by Target Books.
1980 - DWM 20 was released by Marvel Comics.
1981 - Episode four of The Keeper of Traken was first broadcast on BBC1.
1991 - DWM 171 was released by Marvel Comics.
2007 - The Doctor Who: Battles in Time comic story Beneath the Skin was first published.
2008 - Issue two of Torchwood Magazine was first published by Titan Magazines.
2008 - DWA 52 was first released by BBC Magazines.
2013 - DWA 308 was first released by Immediate Media Company London Limited.
2018 - TCH 31 was first released by Hachette Partworks.
2019 - DWFC 144 was first released by Eaglemoss Collections.