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 published.
 * 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.
 * 1979 - Part seven of TV Comic story The Metal-Eaters was reprinted as a Fourth Doctor story.
 * 1984 - Part two of Frontios was first broadcast on BBC1.
 * 1996 - Episode two of The Ghosts of N-Space was first broadcast on BBC Radio.
 * 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 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 UK.
 * 2011 - Doctor Who Adventures comic story Sub-species was first published.
 * 2013 - The Doctors Revisited - The First Doctor was first broadcast on BBC America, followed by a rebroadcast of First Doctor story The Aztecs took place.