Seasons
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Season 1
2 episodes
1974
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Season 2
1 episodes
1975
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Season 3
1 episodes
1976
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Season 4
2 episodes
1977
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Season 5
3 episodes
1978
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Season 6
2 episodes
1979
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Season 7
5 episodes
1980
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Season 8
3 episodes
1981
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Season 9
1 episodes
1982
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Season 10
2 episodes
1983
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Season 11
2 episodes
1984
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Season 12
2 episodes
1985
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Season 13
1 episodes
1986
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