Birds of a Feather - Season 3 Episode 11 -

Sharon accuses Tracey of inverted snobbery when she is annoyed with Garth for spending his school holidays with hunting and shooting types and feels she cannot bring herself to tell her sister that her new boyfriend, Mark, is upper-class. However, when Dorien takes Sharon for a riding lesson and they meet Mark and his controlling mother, Sharon realizes that he is not the man for her.