The first appearance of Duane Dibbley had to be re-shot numerous times because the studio audience cheered for so long that the scene could not continue properly. It was re-shot until the audience cheered less.
Ainsley Harriott, who played the GELF Chief in this episode, hosted the Red Dwarf cooking special, Can't Smeg Won't Smeg (1998), where reference was given to his character. Steven Wickham, who played Ech-ech-ech-ech-ech-ech-ech-ech, also reappears in Series X's Entangled (2012) playing the BEGG Chief.
The Cat utters the word "shit" in one scene - one of the only times this level of language is heard in the series (it is cut from some broadcasts).