13 March (releases)


 * 1965 - "Invasion" was first broadcast on BBC1.
 * 1965 - Part two of The Hijackers of Thrax was first published in TV Comic.
 * 1971 - Episode one of The Claws of Axos was first broadcast on BBC1.
 * 1971 - Part four of Gemini Plan was first published in Countdown.
 * 1975 - The novelisation of Robot was first published by Target Books. It was the first novelisation of a Fourth Doctor serial and the first novelisation to be published during the same television season in which the adapted serial was actually broadcast.
 * 1976 - Part seven of TV Comic story Virus was first published.
 * 1986 - The novelisation of The Twin Dilemma was first published by Target Books.
 * 2008 - Part two of Doctor Who Adventures comic story Reign of the Stone Monkey was first published.
 * 2008 - Something New aired on BBC Three.
 * 2009 - From Raxacoricofallapatorius With Love was first broadcast as part of Comic Relief's Red Nose Day.
 * 2012 - GAME: Worlds in Time was first officially released by BBC Worldwide, although a preview had been available to the public since 20 December 2011.
 * 2012 - The Face of Evil was released on Region 1 DVD.