4 January (releases)


 * 1964 - "The Escape" was first broadcast on BBC tv.
 * 1965 - Part nine of the story The Klepton Parasites was first published in the 682th issue of TV Comic.
 * 1969 - Episode two of The Krotons was first broadcast on BBC1.
 * 1969 - Part one of the TV Comic story Father Time was first published.
 * 1975 - Part two of Robot was first broadcast on BBC1.
 * 1975 - Part five of the TV Comic story The Wanderers was first released.
 * 1982 - Part one of Castrovalva was first broadcast on BBC1, beginning Doctor Who's nineteenth season.
 * 1989 - Part four of The Greatest Show in the Galaxy was first broadcast on BBC1, completing Doctor Who's twenty-fifth season.
 * 1997 - Part one of the Radio Times comic story Perceptions was first published.
 * 1999 - The Face-Eater and Salvation were first published by BBC Books.
 * 2000 - Parallel 59 was first published by BBC Books.
 * 2007 - exhibition Doctor Who Up Close closed.
 * 2013 - The Doctor Who Adventures comic story Museum Piece was first published.
 * 2017 - The Lost Angel was first released by BBC Worldwide.
 * 2017 - VOR 95 was published by Big Finish Productions.
 * 2018 - The audio reading for The Ambassadors of Death was first released by BBC Audio.
 * 2018 - Return of the Queen was first published by Thebes Publishing.