i) births and deaths

27 October 1923: birth of Peter Bryant, producer of Doctor Who from The Web of Fear (1968) to The Wheel in Space (1969)

27 October 1991: death of Paul Erickson, writer of The Ark (1966)

ii) broadcast anniversaries

27 October 1979: broadcast of first episode of The Creature from the Pit. The Doctor is captured by Adrasta; Romana is captured by the bandits and then by Adrasta; the Doctor is thrown down the Pit.

27 October 2009: broadcast of second episode of Secrets of the Stars (SJA). Trueman attempts to summon the Ancient Lights, but is thwarted by Sarah and company.