Season 1
| 1 | Pilot | 2008-09-03 |
| 2 | Seeds | 2008-09-10 |
| 3 | Fun Town | 2008-09-17 |
| 4 | Patch Over | 2008-09-24 |
| 5 | Giving Back | 2008-10-01 |
| 6 | AK-51 | 2008-10-08 |
| 7 | Old Bones | 2008-10-15 |
| 8 | The Pull | 2008-10-22 |
| 9 | Hell Followed | 2008-10-29 |
| 10 | Better Half | 2008-11-05 |
| 11 | Capybara | 2008-11-12 |
| 12 | The Sleep of Babies | 2008-11-19 |
| 13 | The Revelator | 2008-11-26 |
Season 2
| 1 | Albification | 2009-09-08 |
| 2 | Small Tears | 2009-09-15 |
| 3 | Fix | 2009-09-22 |
| 4 | Eureka | 2009-09-29 |
| 5 | Smite | 2009-10-06 |
| 6 | Falx Cerebri | 2009-10-13 |
| 7 | Gilead | 2009-10-20 |
| 8 | Potlatch | 2009-10-27 |
| 9 | Fa Guan | 2009-11-03 |
| 10 | Balm | 2009-11-10 |
| 11 | Service | 2009-11-17 |
| 12 | The Culling | 2009-11-24 |
| 13 | Na Triobloidi | 2009-12-01 |
Season 3
| 1 | So | 2010-09-07 |
| 2 | Oiled | 2010-09-14 |
| 3 | Caregiver | 2010-09-21 |
| 4 | Home | 2010-09-28 |
| 5 | Turning and Turning | 2010-10-05 |
| 6 | The Push | 2010-10-12 |
| 7 | Widening Gyre | 2010-10-19 |
| 8 | Lochan Mor | 2010-10-26 |
| 9 | Turas | 2010-11-02 |
| 10 | Fírinne | 2010-11-09 |
| 11 | Bainne | 2010-11-16 |
| 12 | June Wedding | 2010-11-23 |
| 13 | NS | 2010-11-30 |
Season 4
| 1 | Out | 2011-09-06 |
| 2 | Booster | 2011-09-13 |
| 3 | Dorylus | 2011-09-20 |
| 4 | Una Venta | 2011-09-27 |
| 5 | Brick | 2011-10-04 |
| 6 | With an X | 2011-10-11 |
| 7 | Fruit for the Crows | 2011-10-18 |
| 8 | Family Recipe | 2011-10-25 |
| 9 | Kiss | 2011-11-01 |
| 10 | Hands | 2011-11-08 |
| 11 | Call of Duty | 2011-11-15 |
| 12 | Burnt and Purged Away | 2011-11-22 |
| 13 | To Be, Act 1 | 2011-11-29 |
| 14 | To Be, Act 2 | 2011-12-06 |