Season 1 ABC , 1977 - 1978 Watch now Season 2 ABC , 1978 - 1979 Watch now Season 3 ABC , 1979 - 1980 Watch now Season 4 ABC , 1980 - 1981 Watch now Season 5 ABC , 1981 - 1982 Watch now Season 6 ABC , 1982 - 1983 Watch now Season 7 ABC , 1983 - 1984 Watch now Season 8 ABC , 1984 - 1985 Watch now Season 9 Love Boat ABC , 1985 - 1986 Watch now