January 3, 1972
Season 4
01. Episode 1
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January 3, 1972
02. Episode 2
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February 28, 1972
03. Episode 3
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March 27, 1972
04. Episode 4
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April 17, 1972
05. Episode 5
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May 8, 1972
06. Episode 6
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June 12, 1972
07. Episode 7
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July 17, 1972
08. Episode 8
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September 18, 1972
09. Episode 9
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October 9, 1972
10. Episode 10
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November 13, 1972
11. Episode 11
No details
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December 18, 1972