Seasons
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Season 1
1 episodes
1969
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Season 2
1 episodes
1970
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Season 3
4 episodes
1971
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Season 4
1 episodes
1972
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Season 5
1 episodes
1973
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Season 6
1 episodes
1974
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Season 7
6 episodes
1975
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Season 8
6 episodes
1976
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Season 9
3 episodes
1977
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Season 10
6 episodes
1978
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Season 11
7 episodes
1979
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Season 12
6 episodes
1980
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Season 13
7 episodes
1981
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Season 14
4 episodes
1982
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Season 15
6 episodes
1983
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Season 16
6 episodes
1984
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Season 17
6 episodes
1985
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Season 18
6 episodes
1986
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Season 19
5 episodes
1987
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Season 20
6 episodes
1988
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Season 21
8 episodes
1989
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Season 22
3 episodes
1990
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Season 23
6 episodes
1995
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Season 24
6 episodes
1996
No Poster
Season 25
6 episodes
1997
No Poster
Season 26
12 episodes
1998