27 January (releases)


 * 1968 - Episode six of The Enemy of the World was first broadcast on BBC1.
 * 1968 - Part five of TV Comic story The Witches was first released in issue eight hundred and forty-one.
 * 1973 - Episode one of Carnival of Monsters was first broadcast on BBC1.
 * 1973 - Part two of Deadly Choice was first published in TV Action.
 * 1979 - Part two of The Armageddon Factor was first broadcast on BBC1.
 * 1984 - Part two of Frontios was first broadcast on BBC1.
 * 1996 - Episode two of BBC Radio drama The Ghosts of N-Space was first broadcast.
 * 2007 - DVD box set New Beginnings, including TV: The Keeper of Traken, Logopolis and Castrovalva, was released in Region 2.
 * 2007 - DVD box set The Dalek Collection, including TV: The Dalek Invasion of Earth, Genesis of the Daleks, Resurrection of the Daleks, Revelation of the Daleks and Remembrance of the Daleks, was first released on [amazon.co.uk Amazon UK].
 * 2011 - Doctor Who Adventures comic story Sub-species was first released in issue two hundred and two.
 * 2013 - The Doctors Revisited - The First Doctor, a documentary celebrating the fiftieth anniversary of Doctor Who, was first broadcast on BBC America, followed by a rebroadcast of First Doctor story The Aztecs took place.