17 January (releases)


 * 1970 - Episode three of Spearhead from Space was first broadcast on BBC1.
 * 1970 - Part one of TV Comic story The Arkwood Experiments was first published.
 * 1974 - The novelisations of Spearhead from Space and of Doctor Who and the Silurians were first published by Target Books.
 * 1976 - Part three of The Brain of Morbius was first broadcast on BBC1.
 * 1976 - Part seven of TV Comic story The Dalek Revenge was first published.
 * 1981 - Part three of Warriors' Gate was first broadcast on BBC1.
 * 2005 - Horror of Fang Rock was released on Region 2 DVD.
 * 2007 - Part two of Doctor Who Adventures comic story The Hunters was first published.
 * 2008 - With issue forty-seven, Doctor Who Adventures switched from a fortnightly magazine to a weekly.
 * 2010 - Doctor Who Adventures comic story The Highest Stake was first released by BBC Magazines.
 * 2013 - Doctor Who Adventures comic story An Ill Wind was first released by BBC Magazines.