6 January (releases)


 * 1968 - Episode three of The Enemy of the World was first broadcast on BBC1.
 * 1973 - Episode two of The Three Doctors was first broadcast on BBC1.
 * 1973 - Part six of Zeron Invasion was first published in TV Action & Countdown.
 * 1979 - Part three of The Power of Kroll was first broadcast on BBC1.
 * 1984 - Part two of Warriors of the Deep was first broadcast on BBC1.
 * 2008 - Two exhibitions named "Doctor Who Up Close" were closed, namely the one in Manchester and the one in Leicester.
 * 2009 - Four to Doomsday was released on Region 1 DVD.