All Available Season All Season Specials Jul, 1980 2 episodes 0.0 Season 1 Sep, 1976 10 episodes 6.1 Season 2 Nov, 1977 7 episodes 0.0 Season 3 Sep, 1978 6 episodes 0.0 Season 4 Nov, 1978 7 episodes 0.0 Season 5 Oct, 1979 8 episodes 0.0
