Season 1 ITV1 , 1979 Season 2 ITV1 , 1980 Season 3 ITV1 , 1980 - 1981 Season 4 ITV1 , 1982 Season 5 ITV1 , 1982 Season 6 ITV1 , 1983 - 1984 Season 7 ITV1 , 1988 Season 8 ITV1 , 1989 - 1990 Season 9 ITV1 , 1990 - 1991 Season 10 ITV1 , 1992