| # | Rank | Title | Aired | Season |
|---|---|---|---|---|
| 13 | none | There's No Place Like Home, Pts. 2 and 3 | 05/29 | 4 |
| 12 | none | There's No Place Like Home, Pt. 1 | 05/15 | 4 |
| 11 | none | Cabin Fever | 05/08 | 4 |
| 10 | 5.0 | Something Nice Back Home | 05/01 | 4 |
| 9 | 5.0 | The Shape of Things to Come | 04/24 | 4 |
| 8 | none | Meet Kevin Johnson | 03/20 | 4 |
| 7 | 5.0 | Ji Yeon | 03/13 | 4 |
| 6 | none | The Other Woman | 03/06 | 4 |
| 5 | 5.0 | The Constant | 02/28 | 4 |
| 4 | 4.0 | Eggtown | 02/21 | 4 |
| 3 | none | The Economist | 02/14 | 4 |
| 2 | 4.0 | Confimed Dead | 02/07 | 4 |
| 1 | 4.0 | The Beginning of the End | 01/31 | 4 |
| # | Rank | Title | Aired | Season |
|---|---|---|---|---|
| 22 | none | Through The Looking Glass | 05/23 | 3 |
| 21 | 5.0 | Greatest Hits | 05/16 | 3 |
| 20 | none | The Man Behind the Curtain | 05/09 | 3 |
| 19 | none | The Brig | 05/02 | 3 |
| 18 | none | D.O.C. | 04/25 | 3 |
| 17 | none | Catch-22 | 04/18 | 3 |
| 16 | none | One of Us | 04/11 | 3 |
| 15 | none | Left Behind | 04/04 | 3 |
| 14 | none | Expose | 03/28 | 3 |
| 13 | none | The Man From Tallahassee | 03/21 | 3 |
| 12 | none | Par Avion | 03/14 | 3 |
| 11 | none | Enter 77 | 03/07 | 3 |
| 10 | none | Tricia Tanaka is Dead | 02/28 | 3 |
| 9 | none | Stranger In A Strange Land | 02/21 | 3 |
| 8 | none | Flashes Before Your Eyes | 02/14 | 3 |
| 7 | none | Not In Portland | 02/07 | 3 |
| 6 | none | I Do | 11/08 | 3 |
| 5 | none | The Cost of Living | 11/01 | 3 |
| 4 | none | Every Man for Himself | 10/25 | 3 |
| 3 | none | The Glass Ballerina | 10/18 | 3 |
| 2 | none | Further Instructions | 10/10 | 3 |
| 1 | none | A Tale of Two Cities | 10/04 | 3 |
| # | Rank | Title | Aired | Season |
|---|---|---|---|---|
| 24 | none | Live Together, Die Alone (2) | 05/24 | 2 |
| 23 | none | Live Together, Die Alone (1) | 05/24 | 2 |
| 22 | none | Three Minutes | 05/17 | 2 |
| 21 | none | ? | 05/03 | 2 |
| 20 | none | Two for the Road | 05/03 | 2 |
| 19 | none | S.O.S. | 04/12 | 2 |
| 18 | none | Dave | 03/29 | 2 |
| 17 | none | Lockdown | 03/29 | 2 |
| 16 | none | The Whole Truth | 03/22 | 2 |
| 15 | none | Maternity Leave | 03/01 | 2 |
| 14 | none | One of Them | 02/15 | 2 |
| 13 | none | The Long Con | 02/08 | 2 |
| 12 | none | Fire + Water | 01/25 | 2 |
| 11 | none | The Hunting Party | 01/18 | 2 |
| 10 | none | The 23rd Psalm | 01/11 | 2 |
| 9 | none | What Kate Did | 11/30 | 2 |
| 8 | none | Collision | 11/23 | 2 |
| 7 | none | The Other 48 Days | 11/16 | 2 |
| 6 | none | Abandoned | 11/09 | 2 |
| 5 | none | ...and Found | 10/12 | 2 |
| 4 | none | Everybody Hates Hugo | 10/12 | 2 |
| 3 | none | Orientation | 10/05 | 2 |
| 2 | none | Adrift | 09/28 | 2 |
| 1 | none | Man of Science, Man of Faith | 09/21 | 2 |
| # | Rank | Title | Aired | Season |
|---|---|---|---|---|
| 24 | none | Exodus (2) | 05/25 | 1 |
| 23 | none | Exodus (1) | 05/18 | 1 |
| 22 | none | Born to Run | 05/11 | 1 |
| 21 | none | The Greater Good | 05/04 | 1 |
| 20 | none | Do No Harm | 04/28 | 1 |
| 19 | none | Deus Ex Machina | 03/02 | 1 |
| 18 | none | Numbers | 03/02 | 1 |
| 17 | none | ...In Translation | 02/23 | 1 |
| 16 | none | Outlaws | 02/16 | 1 |
| 15 | none | Homecoming | 02/09 | 1 |
| 14 | none | Special | 01/19 | 1 |
| 13 | none | Hearts and Minds | 01/12 | 1 |
| 12 | none | Whatever the Case May Be | 01/05 | 1 |
| 11 | none | All the Best Cowboys Have Daddy Issues | 12/08 | 1 |
| 10 | none | Raised by Another | 12/01 | 1 |
| 9 | none | Solitary | 11/17 | 1 |
| 8 | none | Confidence Man | 11/10 | 1 |
| 7 | none | The Moth | 11/03 | 1 |
| 6 | none | House of the Rising Sun | 10/27 | 1 |
| 5 | none | White Rabbit | 10/20 | 1 |
| 4 | none | Walkabout | 10/13 | 1 |
| 3 | none | Tabula Rasa | 10/06 | 1 |
| 2 | none | Pilot (2) | 09/29 | 1 |
| 1 | none | Pilot (1) | 09/22 | 1 |
