September 13, 1972

Season 4

01. Spit and Polish

No details

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September 13, 1972

02. Killer

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September 20, 1972

03. Surveillance

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September 27, 1972

04. Dog Eat Dog

No details

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October 4, 1972

05. Bank Rate

No details

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October 11, 1972

06. On the Third Day

No details

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October 18, 1972

07. The Witness

No details

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October 25, 1972

08. Run for your Money

No details

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November 1, 1972

09. New Broom

No details

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November 8, 1972

10. Paper Chase

No details

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November 15, 1972

11. Welcome to the Club

No details

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November 22, 1972

12. Justice

No details

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November 29, 1972

13. Conversion

No details

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December 6, 1972

14. Needle

No details

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December 13, 1972

15. Execution

No details

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December 20, 1972

16. Time-Table

No details

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January 3, 1973

17. Conspiracy

No details

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January 10, 1973

18. Money for Sale

No details

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January 17, 1973

19. For Love or Money

No details

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January 24, 1973

20. Little Acorns

No details

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January 31, 1973