Season 1 BBC One , 1978 Season 2 BBC One , 1979 Season 3 BBC One , 1980 Season 4 BBC One , 1981 Season 5 BBC One , 1982 Season 6 BBC One , 1983 Season 7 BBC One , 1984 Season 8 BBC One , 1985 Season 9 BBC One , 1986
, 1978