Season 1 ITV1 , 1979 - 1980 Watch now Season 2 ITV1 , 1980 Watch now Season 3 ITV1 , 1982 Watch now Season 4 ITV1 , 1984 Watch now Season 5 ITV1 , 1984 Watch now Season 6 ITV1 , 1985 - 1986 Watch now Season 7 ITV1 , 1989 Watch now Season 8 ITV1 , 1991 Watch now Season 9 ITV1 , 1993 Watch now Season 10 ITV1 , 1994 Watch now