Seasons
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Season 1
38 episodes
1976
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Season 2
40 episodes
1977
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Season 3
34 episodes
1978
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Season 4
39 episodes
1979
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Season 5
34 episodes
1980
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Season 6
12 episodes
1981
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Season 7
1 episodes
1983
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Season 8
18 episodes
1992
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Season 9
26 episodes
1993
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Season 10
15 episodes
1994
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Season 11
4 episodes
1995
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Season 12
1 episodes
1996
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Season 13
1 episodes
2006
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Season 14
5 episodes
2007
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Season 15
1 episodes
2008
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Season 16
1 episodes
2013
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Season 17
1 episodes
2014
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Season 18
1 episodes
2015