| Episodes | Name | Date | Rating |
|---|---|---|---|
| S1 EP1 | Pilot | 2011-04-03 | 8.3 |
| S1 EP2 | The Cage | 2011-04-03 | 8 |
| S1 EP3 | El Diablo | 2011-04-10 | 7.7 |
| S1 EP4 | A Soundless Echo | 2011-04-17 | 7.8 |
| S1 EP5 | Super 8 | 2011-04-24 | 7.3 |
| S1 EP6 | What You Have Left | 2011-05-01 | 7.5 |
| S1 EP7 | Vengeance | 2011-05-08 | 7.4 |
| S1 EP8 | Stonewalled | 2011-05-15 | 7.4 |
| S1 EP9 | Undertow | 2011-05-22 | 7.6 |
| S1 EP10 | I'll Let You Know When I Get There | 2011-05-29 | 7.7 |
| S1 EP11 | Missing | 2011-06-05 | 7 |
| S1 EP12 | Beau Soleil | 2011-06-12 | 7.9 |
| S1 EP13 | Orpheus Descending | 2011-06-19 | 7.6 |
| S2 EP1 | Reflections | 2012-04-01 | 7.2 |
| S2 EP2 | My Lucky Day | 2012-04-01 | 7.2 |
| S2 EP3 | Numb | 2012-04-08 | 6.9 |
| S2 EP4 | Ogi Jun | 2012-04-15 | 7.5 |
| S2 EP5 | Ghosts of the Past | 2012-04-22 | 7 |
| S2 EP6 | Openings | 2012-04-29 | 7.2 |
| S2 EP7 | Keylala | 2012-05-06 | 7.1 |
| S2 EP8 | Off the Reservation | 2012-05-13 | 7.2 |
| S2 EP9 | Sayonara Hiawatha | 2012-05-20 | 7.2 |
| S2 EP10 | 72 Hours | 2012-05-27 | 7.2 |
| S2 EP11 | Bulldog | 2012-06-03 | 7.8 |
| S2 EP12 | Donnie or Marie | 2012-06-10 | 7.6 |
| S2 EP13 | What I Know | 2012-06-17 | 7.4 |
| S3 EP1 | The Jungle | 2013-06-02 | 7.5 |
| S3 EP2 | That You Fear the Most | 2013-06-02 | 7.3 |
| S3 EP3 | Seventeen | 2013-06-09 | 7.6 |
| S3 EP4 | Head Shots | 2013-06-16 | 7.1 |
| S3 EP5 | Scared and Running | 2013-06-23 | 7.3 |
| S3 EP6 | Eminent Domain | 2013-06-30 | 7.3 |
| S3 EP7 | Hope Kills | 2013-07-07 | 7.5 |
| S3 EP8 | Try | 2013-07-14 | 7.6 |
| S3 EP9 | Reckoning | 2013-07-21 | 7.9 |
| S3 EP10 | Six Minutes | 2013-07-28 | 8.1 |
| S3 EP11 | From Up Here | 2013-08-04 | 7.8 |
| S3 EP12 | The Road to Hamelin | 2013-08-04 | 7.6 |
| S4 EP1 | Blood in the Water | 2014-08-01 | 7.3 |
| S4 EP2 | Unraveling | 2014-08-01 | 6.8 |
| S4 EP3 | The Good Soldier | 2014-08-01 | 6.4 |
| S4 EP4 | Dream Baby Dream | 2014-08-01 | 6.5 |
| S4 EP5 | Truth Asunder | 2014-08-01 | 6.8 |
| S4 EP6 | Eden | 2014-08-01 | 7.2 |