| Season 4 | 2013-14 | 8.7/10 |
| 1 | 30 Days Without an Accident |
 |
| 2 | Infected |
 |
| 3 | Isolation |
|
| 4 | Indifference |
|
| 5 | Internment |
|
| 6 | Live Bait |
|
| 7 | Dead Weight |
|
| 8 | Too Far Gone |
|
| 9 | After |
|
| 10 | Inmates |
|
| 11 | Claimed |
|
| 12 | Still |
|
| 13 | Alone |
 |
| 14 | The Grove |
|
| 15 | Us |
|
| 16 | A |
|