18 December (releases)


 * 1965 - "Coronas of the Sun" was first broadcast on BBC1.
 * 1965 - Part four of TV Comic story Shark Bait was first published.
 * 1971 - Part five of The Eternal Present was first published in Countdown.
 * 1976 - Part one of TV Comic story Dredger was first published.
 * 2008 - Doctor Who Adventures comic story Frosty the Snowdemon was first published.
 * 2010 - Regeneration was first broadcast on Disney XD.