i) births and deaths

25 November 1990: birth of Sophie Hopkins, who played April MacLean in Class (2016).

ii) broadcast and webcast anniversaries

25 November 1967: broadcast of third episode of The Ice Warriors. The Ice Warriors injure Jamie and capture Victoria.

25 November 1978: broadcast of first episode of The Androids of Tara. Romana finds the fourth segment of the Key to Time, but she and the Doctor get enmeshed in the local dynastic struggle.

25 November 1983: UK first broadcast of The Five Doctors.

25 November 2009: webcast of fifth episode of Dreamland. Deep beneath the Dreamland base, the Doctor faces the malevolent Skorpius Flies, whilst Jimmy and Cassie get caught up in the Viperox attack on Dry Springs, while trying to protect the TARDIS…

25 November 2018: broadcast of The Witchfinders. Team TARDIS lands in early 17th century England in the midst of a witch trial, and King James becomes suspicious of the Doctor.

iii) dates specified in-universe

25 November 1974: setting of Hide (Eleventh Doctor, 2013).