Season 1 NBC , 1983 Watch now Season 2 NBC , 1983 - 1984 Watch now Season 3 Syndication , 1986 - 1987 Watch now Season 4 Syndication , 1987 - 1988 Watch now Season 5 Syndication , 1988 - 1989 Watch now Season 6 Syndication , 1989 - 1990 Watch now