| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S04E01 | Bullets Over the Border |
July 9, 2012
National Geographic
|
60 | |
| S04E02 | Meth Mobile |
July 16, 2012
National Geographic
|
60 | |
| S04E03 | Contraband Corridor |
July 23, 2012
National Geographic
|
60 | |
| S04E04 | Rio Grande Reefer |
July 30, 2012
National Geographic
|
60 | |
| S04E05 | Hidden Tunnel |
August 6, 2012
National Geographic
|
60 | |
| S04E06 | Cartel Cash Stash |
August 13, 2012
National Geographic
|
60 | |
| S04E07 | Fence Jumpers |
August 20, 2012
National Geographic
|
60 | |
| S04E08 | Tunnel Smoke-out |
August 27, 2012
National Geographic
|
60 | |
| S04E09 | Midnight Drug Trap |
September 3, 2012
National Geographic
|
60 | |
| S04E10 | Cocaine Paradise |
September 10, 2012
National Geographic
|
60 | |
| S04E11 | Cocaine Dump Truck |
September 17, 2012
National Geographic
|
60 | |
| S04E12 |
Cash in the Tank
season finale
|
September 24, 2012
National Geographic
|
60 |
No artwork of this type.
No artwork of this type.
No artwork of this type.