September 5, 1977
Season 4
01. Episode 1
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September 5, 1977
02. Episode 2
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September 26, 1977
03. Episode 3
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October 3, 1977
04. Episode 4
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October 17, 1977
05. Episode 5
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October 31, 1977
06. Episode 6
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November 14, 1977
07. Episode 7
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November 21, 1977
08. Episode 8
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November 28, 1977
09. Episode 9
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December 5, 1977
10. Episode 10
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December 12, 1977
11. Episode 11
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December 19, 1977
12. Episode 12
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December 26, 1977
13. Episode 13
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January 2, 1978
14. Episode 14
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January 9, 1978
15. Episode 15
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January 16, 1978
16. Episode 16
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January 23, 1978
17. Episode 17
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January 30, 1978
18. Episode 18
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February 6, 1978
19. Episode 19
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February 13, 1978
20. Episode 20
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February 20, 1978
21. Episode 21
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February 27, 1978
22. Episode 22
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March 13, 1978
23. Episode 23
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May 8, 1978
24. Episode 24
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July 24, 1978
25. Episode 25
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August 7, 1978