i) births and deaths

26 November 1929: birth of William Dysart, who played Alexander McLaren in The Highlanders (Second Doctor, 1966-67) and Reegan in The Ambassadors of Death (Third Doctor, 1970).

26 November 1977: birth of Ingrid Oliver, who played Osgood and her Zygon double in 2013-2015.

ii) broadcast and webcast anniversaries

26 November 1966: broadcast of fourth episode of The Power of the Daleks. The rebels try to use the Daleks; but the Daleks are reproducing…

26 November 1977: broadcast of first episode of The Sun Makers. The Doctor, Leela and K9 land on the planet Pluto, where the sinister Gatherer oppresses the people with heavy taxes.

26 November 1993: broadcast of first episode of Dimensions in Time, but we don't talk about that.

26 November 2006: broadcast of Greeks Bearing Gifts (Torchwood), the one where Toshiko finds a pendant and is seduced by an alien.

26 November 2009: webcast of sixth and final episode of Dreamland. With the Viperox invasion in full force, the Doctor needs the help of Rivesh Mantilax to activate the genetic device.

26 November 2016: broadcast of the Class episode The Metaphysical Engine, or What Quill Did. While the students are in detention, Miss Quill goes on a metaphysical adventure to win back her freedom.