Season 1 ITV1 , 1980 Season 2 ITV1 , 1981 Season 3 ITV1 , 1981 - 1983 Season 4 ITV1 , 1983 Season 5 ITV1 , 1983 - 1984 Season 6 ITV1 , 1985 Season 7 ITV1 , 1987 Season 8 ITV1 , 1988 - 1989 Season 9 ITV1 , 1989