4 January (releases)


 * 1964 - "The Escape" was first broadcast on BBCtv.
 * 1969 - Episode two of The Krotons was first broadcast on BBC1.
 * 1969 - Part one of TV Comic story Father Time was first published.
 * 1975 - Part two of Robot was first broadcast on BBC1.
 * 1975 - Part five of TV Comic story The Wanderers was first released.
 * 1982 - Part one of Castrovalva was first broadcast on BBC1, beginning the nineteenth season of Doctor Who.
 * 1983 - Part two of Arc of Infinity was first broadcast on BBC1.
 * 1989 - Part four of The Greatest Show in the Galaxy was first broadcast on BBC1, completing the twenty-fifth season of Doctor Who.
 * 1999 - Eighth Doctor Adventures novel The Face-Eater and Past Doctor Adventures novel Salvation were first published by BBC Books.
 * 2007 - exhibition Doctor Who Up Close closed.