Gene (Philip Glenister) says to Alex (Keeley Hawes), "What's wrong with you this morning, haven't got the decorators in again?" referring to the UK expression, "having the painters and decorators in", meaning a woman's menstrual period.
Gene (Philip Glenister) refers to Alex (Keeley Hawes) as "Lift and Separate" referencing the Playtex bra adverts.
Gene (Philip Glenister) says to Alex (Keeley Hawes), "get your laughing gear round this," which is a northern expression usually coined when proffering a meal or a drink as in "get your laughing gear round this and shut up." The "laughing gear" is the mouth and teeth.
Ray (Dean Andrews) mentions "Jump Jockeys". This refers to horse racing. There are two forms of racing-flat racing, which has no hurdles, and Jump racing, with hurdles/hedges which are known as jumps.
This episode was first broadcast on 13 March 2008.