24 December (releases)


 * 1966 - Episode two of The Highlanders was first broadcast on BBC1.
 * 1966 - Part one of TV Comic story The Extortioner was first published.
 * 1977 - Part six of TV Comic story The Aqua-City was first published.
 * 2006 - Combat was first broadcast on BBC Three.
 * 2008 - Doctor Who: Battles in Time comic story Extermination of the Daleks was first published.
 * 2009 - A Ghost Story for Christmas was first released online.
 * 2013 - The Girl Who Loved Doctor Who was first published in the 2013 Doctor Who Special, ending IDW Publishing's Doctor Who output.