Seasons
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Season 1
1 episodes
1971
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Season 2
1 episodes
1972
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Season 3
1 episodes
1973
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Season 4
1 episodes
1974
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Season 5
1 episodes
1975
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Season 6
1 episodes
1976
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Season 7
1 episodes
1977
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Season 8
1 episodes
1978
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Season 9
1 episodes
1979
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Season 10
1 episodes
1980
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Season 11
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Season 12
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Season 13
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Season 14
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Season 15
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Season 16
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Season 17
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Season 18
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Season 19
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Season 20
1 episodes
1990
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Season 21
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Season 22
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Season 23
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Season 24
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Season 25
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Season 26
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Season 27
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Season 28
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Season 29
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Season 30
1 episodes
2000
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Season 31
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Season 32
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Season 33
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Season 34
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Season 35
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Season 36
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