Season 1 ABC , 1974 Season 2 ABC , 1974 - 1975 Watch now Season 3 ABC , 1975 - 1976 Watch now Season 4 ABC , 1976 - 1977 Watch now Season 5 ABC , 1977 - 1978 Watch now Season 6 ABC , 1978 - 1979 Watch now Season 7 ABC , 1979 - 1980 Watch now Season 8 ABC , 1980 - 1981 Watch now Season 9 ABC , 1981 - 1982 Watch now Season 10 ABC , 1982 - 1983 Watch now Season 11 ABC , 1983 - 1984 Watch now
, 1974 - 1975
, 1975 - 1976
, 1976 - 1977
, 1977 - 1978
, 1978 - 1979
, 1979 - 1980
, 1980 - 1981
, 1981 - 1982
, 1982 - 1983
, 1983 - 1984
