January 1, 1970

Season 20

05. Episode 5

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July 4, 1980

08. Episode 8

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July 9, 1980

09. Episode 9

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July 10, 1980

15. Episode 15

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July 18, 1980

21. Episode 21

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July 28, 1980

22. Episode 22

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July 29, 1980

23. Episode 23

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July 30, 1980

24. Episode 24

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July 31, 1980

25. Episode 25

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August 1, 1980

27. Episode 27

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August 5, 1980

43. Episode 43

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August 27, 1980

46. Episode 46

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September 15, 1980

48. Episode 48

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September 17, 1980

49. Episode 49

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September 18, 1980

50. Episode 50

No details

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September 19, 1980