22 December (releases)


 * 1973 - Episode two of The Time Warrior was first broadcast on BBC1.
 * 1973 - Part two of the TV Comic story The Amateur was first published.
 * 1979 - Part one of The Horns of Nimon was first broadcast on BBC1.
 * 1994 - DWM 221 was first released by Marvel Comics.
 * 2006 - The anthology Short Trips: Dalek Empire was first published by Big Finish.
 * 2007 - Chute! special was first broadcast on CBBC.
 * 2007 - The Hopes and Fears of All the Years was published in the Daily Telegraph.
 * 2010 - Shadows of the Vashta Nerada was first released by BBC Wales Interactive.
 * 2017 - O Tannenbaum was first released by Big Finish Productions.
 * 2020 - The Shattered Hourglass was first released by Big Finish.