This is the only episode where a character other than Lady Penelope or Parker is seen driving FAB1.
This is the only episode where Jeff Tracy needs rescuing.
In the episode "Brink of Disaster", a bogus telegram reveals the location of Lady Penelope's mansion in Foxleyheath.
The monotrain's lounge car includes a picture of Stephenson's Rocket, an early locomotive which was built in 1829.
The quilted red velvet headboard on Last Penelope's bed was quite stylish at the time, and was often seen in photo shoots featuring glamorous celebrities and film stars. Lady Penelope's version includes her initial P and a heraldic crown monogram.