22 December (releases)


 * 1973 - Episode two of The Time Warrior was first broadcast on BBC1.
 * 1973 - Part two of TV Comic story The Amateur was first published.
 * 1979 - Part one of The Horns of Nimon was first broadcast on BBC1.
 * 2006 - Anthology Short Trips: Dalek Empire was first published by Big Finish.
 * 2010 - Shadows of the Vashta Nerada was first released by BBC Wales Interactive.