Housewarming (short story)
to be added
- Sarah mentions a UNIT reunion party where she and Mike saw Brigadier Lethbridge-Stewart.
- Brendan Richards, the former ward of Sarah's aunt Lavinia Smith, is studying at the University of Cambridge.
- The country house where Sarah and Mike are staying is owned by the Doctor and is built over a time fissure.
- K9 destroys the Master's time vector filter.
- K9 claims that is shaped like a dog because "the human ego requires a familiar reference point to aid in adjusting to new concepts. Animal forms are comforting to the majority of humans."
- K9 runs on an electron-fusion nuclear battery.
- Though K9 usually recharges himself when necessary, Sarah Jane has occasionally done so by clipping jump leads to his antennae.
- David A. McIntee's description of Count Marius Castillo matches his description of the Master in PROSE: First Frontier.
- Sarah mentions her aunt Lavinia Smith. (TV: The Time Warrior, TV: A Girl's Best Friend)
- The Master refers to his brief encounter with Sarah in the Death Zone on Gallifrey. (TV: The Five Doctors)
- Mike recalls plastic mannequins coming to life (TV: Terror of the Autons) and dinosaurs appearing and disappearing (TV: Invasion of the Dinosaurs).
- Jo Grant told Mike about the time ram. (TV: The Time Warrior)