Season 1 ITV1 , 1980 - 1981 Season 2 ITV1 , 1981 - 1982 Season 3 ITV1 , 1983 Season 4 ITV1 , 1985 Season 5 ITV1 , 1986 Season 6 ITV1 , 1987 Season 7 ITV1 , 1988