13 January (releases)


 * 1968 - Episode four of The Enemy of the World was first broadcast on BBC1.
 * 1973 - Episode three of The Three Doctors was first broadcast on BBC1.
 * 1973 - Part seven of Zeron Invasion was first published in TV Action & Countdown.
 * 1979 - Part four of The Power of Kroll was first broadcast on BBC1.
 * 1984 - Part four of Warriors of the Deep was first broadcast on BBC1.
 * 2011 - Issue two hundred of Doctor Who Adventures, including comic story The Salt Solution, was first published by BBC Magazines.