Duty Free is a British 'Yorkshire Television' situation comedy, which aired on ITV from 1984 to 1986. It features Keith Barron, Gwen Taylor, Joanna Van Gyseghem, and Neil Stacy.
Neither Amy nor Robert can stand the gormless, accident-prone Neville, so David and Linda decide to use him as a go-between and to keep their spouses at bay while Linda pretends she is teaching him to swim. As inept as a messenger as he is at everything else, Neville innocently leads Amy to the lovers' rendezvous, where she gets a shock and he gets a pleasant surprise that makes it his best holiday ever.
Series synopsis: David and Amy are on holiday in Spain, where they meet Robert and Linda, who are also holidaymakers. David and Linda spend their holiday trying to find some time alone together away from their spouses.