6 March (releases)


 * 1965 - "Crater of Needles" was first broadcast on BBC1.
 * 1965 - Part one of The Hijackers of Thrax was first published in TV Comic.
 * 1971 - Episode six of The Mind of Evil was first broadcast on BBC1.
 * 1971 - Part three of Gemini Plan was first published in Countdown.
 * 1976 - Part six of The Seeds of Doom was first broadcast on BBC1.
 * 1976 - Part six of TV Comic story Virus was first published.
 * 2000 - Eighth Doctor Adventures novel The Fall of Yquatine was first published by BBC Books, as was short story anthology Short Trips and Side Steps.
 * 2007 - Doctor Who: The Invasion and The Sontaran Experiment were released on Region 1 DVD.
 * 2008 - Torchwood novels The Twilight Streets, Trace Memory and Something in the Water were first published by BBC Books, as were Decide Your Destiny novels Lost Luggage, Second Skin, The Dragon King and The Horror of Howling Hill.