All Available Season All Season Season 1 Sep, 1974 4 episodes 0.0 Season 2 Jan, 1975 12 episodes 0.0 Season 3 Jan, 1976 12 episodes 0.0 Season 4 Jan, 1977 12 episodes 0.0 Season 5 Jan, 1978 12 episodes 0.0 Season 6 Jan, 1979 12 episodes 0.0 Season 7 Jan, 1980 12 episodes 0.0 Season 8 Jan, 1981 12 episodes 0.0 Season 9 Jan, 1982 12 episodes 0.0 Season 10 Jan, 1983 12 episodes 0.0 Season 11 Jan, 1984 12 episodes 0.0 Season 12 Jan, 1985 12 episodes 0.0 Season 13 Jan, 1986 11 episodes 0.0 Season 14 Jan, 1987 13 episodes 0.0 Season 15 Jan, 1988 12 episodes 0.0 Season 16 Jan, 1989 12 episodes 0.0 Season 17 Jan, 1990 12 episodes 0.0 Season 18 Jan, 1991 12 episodes 0.0 Season 19 Jan, 1992 12 episodes 0.0 Season 20 Jan, 1993 12 episodes 0.0
