5 January (releases)

On 5 January, a number of things set in or relevant to the Doctor Who universe were released or published.


 * 1974 - Part four of The Time Warrior was first broadcast on BBC1.
 * 1980 - Part three of The Horns of Nimon was first broadcast on BBC1.
 * 1982 - Part two of Castrovalva was first broadcast on BBC1.
 * 1983 - Part two of Arc of Infinity was first broadcast on BBC1.
 * 1984 - Part one of Warriors of the Deep was first broadcast on BBC1, beginning Doctor Who's 21st season.
 * 1985 - Part one of Attack of the Cybermen was first broadcast on BBC1.
 * 2020 - Part Two of The Screams of Terror was first broadcast on BBC One.