4 March (releases)


 * 1967 - Episode four of The Moonbase was first broadcast on BBC1.
 * 1967 - Part three of TV Comic story The Doctor Strikes Back was first published.
 * 1972 - Episode two of The Sea Devils was first broadcast on BBC1.
 * 1972 - Part one of The Planet of the Daleks was first published in Countdown to TV Action.
 * 1978 - Episode five of The Invasion of Time was first broadcast on BBC1.
 * 1978 - Part three of TV Comic story The Space Garden was first published.
 * 2002 - Underworld was released on VHS.
 * 2002 - Anachrophobia was first published by BBC Books.
 * 2003 - Vengeance on Varos and The Aztecs were first released on Region 1 DVD.
 * 2008 - Planet of Evil was released on Region 1 DVD.
 * 2009 - Doctor Who: Battles in Time comic story The Day the Earth Was Sold was first published.
 * 2010 - Code of the Krillitanes was first published by BBC Books.
 * 2010 - Dead Air was first released by BBC Audio.
 * 2010 - Doctor Who Adventures comic story Mudshock was first published.