| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S04E01 | Battle Cry |
June 3, 2011
Animal Planet
|
60 | |
| S04E02 | No Escape |
June 10, 2011
Animal Planet
|
60 | |
| S04E03 | Ghosts in the Machine |
June 17, 2011
Animal Planet
|
60 | |
| S04E04 | The Devil's Icebox |
June 24, 2011
Animal Planet
|
60 | |
| S04E05 | Tracking the Enemy |
July 8, 2011
Animal Planet
|
60 | |
| S04E06 | Race to Save Lives |
July 15, 2011
Animal Planet
|
60 | |
| S04E07 | Enemy In Their Grasps |
July 22, 2011
Animal Planet
|
60 | |
| S04E08 | Battle Stations |
July 29, 2011
Animal Planet
|
60 | |
| S04E09 | The Giant Enemy |
August 5, 2011
Animal Planet
|
60 | |
| S04E10 |
Delivering the Final Blow
season finale
|
August 12, 2011
Animal Planet
|
60 |
No artwork of this type.
No artwork of this type.