31 March (releases)


 * 1973 - Episode six of Frontier in Space was first broadcast on BBC1.
 * 1973 - Part five of The Glen of Sleeping was first published in TV Action.
 * 1981 - London exhibition The Doctor Who Experience at Madame Tussaud's was initially closed. However, due to its popularity, it was greatly extended.
 * 2007 - Smith and Jones was first broadcast on BBC One. Later, Meet Martha Jones aired on BBC Three.
 * 2007 - Manchester exhibition Doctor Who Up Close was opened.
 * 2011 - Doctor Who Adventures comic story Chasing Rainbows was first published.
 * 2013 - The Doctors Revisited - The Third Doctor was first broadcast on BBC America, followed by a rebroadcast of Third Doctor story Spearhead from Space.