25 January (releases)


 * 1964 - "The Ordeal" was first broadcast on BBC tv.
 * 1965 - Part two of the TV Comic story The Therovian Quest was first published.
 * 1969 - Episode one of The Seeds of Death was first broadcast on BBC1.
 * 1969 - Part four of the TV Comic story Father Time was first published.
 * 1975 - Part one of The Ark in Space was first broadcast on BBC1.
 * 1975 - Part three of the TV Comic story Death Flower was first published.
 * 1982 - Part three of Four to Doomsday was first broadcast on BBC1.
 * 1983 - Part three of Snakedance was first broadcast on BBC1.
 * 1997 - Part four of the Radio Times comic story Perceptions was first published.
 * 2012 - DWDVDF 80 was first published by GE Fabbri Ltd.
 * 2017 - TCH 68 was first released by Hachette Partworks.
 * 2021 - Revolution of the Daleks was first released on DVD and Blu-ray by the BBC.