20 January (releases)

On 20 January, a number of things set in or relevant to the Doctor Who universe were released or published.


 * 1968 - Episode Five of The Enemy of the World was first broadcast on BBC1.
 * 1973 - Episode Four of The Three Doctors was first broadcast on BBC1.
 * 1979 - Part One of The Armageddon Factor was first broadcast on BBC1.
 * 1984 - Part Two of The Awakening was first broadcast on BBC1.
 * 2001 - The remastered version of The Crusade was first broadcast on BBC Two.