21 January (releases)

On 21 January, a number of things set in or relevant to the Doctor Who universe were released or published.


 * 1967 - Episode Two of The Underwater Menace was first broadcast on BBC1.
 * 1978 - Part Three of Underworld was first broadcast on BBC1.
 * 2006 - Desperate Times, Desperate Measures was first broadcast on BBC One.