A budget was allocated for a second series, which was never commissioned. As a result, the money was used to produce the first series of Red Dwarf (1988).
The original choice for the female lead was Emma Thompson. However, she was unavailable as she won the lead in the musical "Me and My Girl".
Joyce is the eldest of the sisters, followed by Cassie, then Madeleine, with Roxanne the youngest of the four sisters. The episode order of the four middle episodes focusing on one sister each does not follow the sisters in order of age.