1. Pilot

Colonel Mackenzie, the commander of the 4th Cavalry Regiment at Fort Clark, Texas in 1873, receives secret order from President U.S. Grant to stop Mexican bandits from crossing the Rio Grande River into the U.S. or from returning to Mexico.

Air Date : 1958-10-10

2. The Long Day

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3. Death by the Numbers

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4. Indian Agent

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5. Deadly Mirror

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6. Attack

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7. Hostage

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8. Eastern Colonel

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9. Pistol Whipped

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10. Dream of Empire

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11. Cholera

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12. Quanan Parker

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13. The Imposter

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14. Apache Boy

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15. Blood on the Rio

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16. Murder is the Bid

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17. Thunder Stick

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18. Terror in Chuna Valley

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19. Raid on Rodrigo

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20. Violent Sanctuary

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21. The Scalp Hunters

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22. Son of the Hawk

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23. The Pen and the Sword

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24. The Poisoners

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25. The Lost Raider

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26. The Fast Gun

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27. Mutiny

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28. The Court Martial of Trooper Davis

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29. Joe Ironhat

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30. Drought

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31. Uprising

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32. Desertion

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33. Deadlock

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34. The Lucinda Cabot Affair

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35. Captured in Mexico

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36. Long Ride Home

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37. Missing: Presumed Dead

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38. Death Road

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39. Devil Trap

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