La saison 6 de Never the Twain a été diffusée sur ITV1 du jeudi 15 janvier 1987 au jeudi 19 février 1987. Elle comporte 6 épisodes, le premier s'intitule "Feed A Cold" et le dernier "Affair of the Heart".
Simon Peel and Oliver Smallbridge contest a bitter rivalry in all that they do. Not only are they next-door neighbours, they are also rivals in the antiques market (formerly business partners, they are now pursuing trade individually). Typifying his character, Peel believes that he deals in the best end of the business, Smallbridge the tatty end.