i) births and deaths

4th September 1975: birth of Kai Owen, who played Rhys Williams in Torchwood.

ii) broadcast anniversary

4th September 1976 – broadcast of first episode of The Masque of Mandragora, starting Season 14. The Doctor and Sarah find an older console room in the Tardis, and then find themselves in a part of Renaissance Italy which looks just like a set from The Prisoner. Inevitably they are captured by the bad guys and the Doctor is made ready for the executioner's axe…