Season 1 BBC One , 1979 Season 2 BBC One , 1980 Season 3 BBC One , 1981 Season 4 BBC One , 1982 Season 5 BBC One , 1983 Season 6 BBC One , 1984 Season 7 BBC One , 1985 Season 8 BBC One , 1986 - 1987 Season 9 BBC One , 1988 Season 10 BBC One , 1989 Season 11 BBC One , 1990 Season 12 BBC One , 1991 Season 13 BBC One , 1992 Season 14 BBC One , 1993 Season 15 BBC One , 1994
, 1979