15 February 1993: death of Dallas Cavell, who played the road works overseer in the story we now call The Reign of Terror (First Doctor, 1964), Bors in the story we now call The Daleks' Master Plan (First Doctor, 1965), Trask in The Highlanders (Second Doctor, 1966-67), Sir James Quinlan in The Ambassadors of Death (Third Doctor, 1970) and the head of security at the radio telescope in Castrovalva (Fifth Doctor, 1982), getting steadily less hairy as the years went on
15 February 1964: broadcast of "The Brink of Disaster", second episode of the story we now call The Edge of Destruction. The Doctor works out that the Tardis was trying to warn them that it was heading for destruction, fixes the problem and apologises all round.
15 February 1969: broadcast of third episode of The Seeds of Death. The Doctor is captured by the Ice Warriors, who start transmitting their deadly seeds to Earth.
15 February 1975: broadcast of fourth epsiode of The Ark in Space. The Doctor manages to save the beacon by tricking the Wirrn onto the shuttle, which Noah then blows up in a last act of his human self.
15 February 1982: broadcast of first episode of The Visitation. The Tardis lands in England in 1666, where an alien ship has recently landed with fatal consequences for the local manor house.
15 February 1983: broadcast of first episode of Terminus. Turlough sabotages the Tardis and it lands on a ship full of people suffering Lazar's disease.
15 February 1984: broadcast of second episode of Resurrection of the Daleks; last regular appearance of Janet Fielding as Tegan Jovanka. Lots and lots of death and destruction.
As noted last week, this is the fourth of seven dates in the year when six episodes of Old Who were broadcast.
15 February 2010: broadcast of Fear Itself, fifth episode of the Australian K9 series. London is out of control. Riots erupt because of a strange, irrational fear that fills the air. The focal point of the paranoia is in an old junkyard where a strange alien consciousness is at work. K9 discovers the emotion of fear for himself.