8.55 avg 8 episodes 8.7 → 9.1 59 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | The Name of the Game | 8.7 | 39,894 |
| 2 | Cherry | 8.5 | 31,926 |
| 3 | Get Some | 8.3 | 30,135 |
| 4 | The Female of the Species | 8.7 | 30,485 |
| 5 | Good for the Soul | 8.3 | 29,061 |
| 6 | The Innocents | 8.1 | 27,968 |
| 7 | The Self-Preservation Society | 8.7 | 28,522 |
| 8 | You Found Me | 9.1 | 33,654 |
8.54 avg 8 episodes 8.1 → 9.4 62 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | The Big Ride | 8.1 | 26,976 |
| 2 | Proper Preparation and Planning | 7.6 | 25,438 |
| 3 | Over the Hill with the Swords of a Thousand Men | 9.0 | 29,060 |
| 4 | Nothing Like It in the World | 8.0 | 24,988 |
| 5 | We Gotta Go Now | 8.3 | 25,096 |
| 6 | The Bloody Doors Off | 8.9 | 27,117 |
| 7 | Butcher, Baker, Candlestick Maker | 9.0 | 27,906 |
| 8 | What I Know | 9.4 | 37,227 |
8.63 avg 8 episodes 8.3 → 8.3 62 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Payback | 8.3 | 27,914 |
| 2 | The Only Man in the Sky | 8.6 | 26,977 |
| 3 | Barbary Coast | 8.2 | 25,899 |
| 4 | Glorious Five Year Plan | 8.9 | 28,749 |
| 5 | The Last Time to Look on This World of Lies | 8.2 | 25,846 |
| 6 | Herogasm | 9.6 | 59,534 |
| 7 | Here Comes a Candle to Light You to Bed | 8.9 | 29,525 |
| 8 | The Instant White-Hot Wild | 8.3 | 33,790 |
7.89 avg 8 episodes 7.3 → 9.0 63 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Department of Dirty Tricks | 7.3 | 32,567 |
| 2 | Life Among the Septics | 7.0 | 29,451 |
| 3 | We'll Keep the Red Flag Flying Here | 7.4 | 28,403 |
| 4 | Wisdom of the Ages | 8.8 | 38,194 |
| 5 | Beware the Jabberwock, My Son | 8.0 | 28,932 |
| 6 | Dirty Business | 7.4 | 29,043 |
| 7 | The Insider | 8.2 | 26,716 |
| 8 | Season Four Finale | 9.0 | 42,274 |
7.33 avg 8 episodes 8.7 → 5.6 63 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Fifteen Inches of Sheer Dynamite | 8.7 | 49,539 |
| 2 | Teenage Kix | 8.2 | 41,636 |
| 3 | Every One of You Sons of Bitches | 8.0 | 39,465 |
| 4 | King of Hell | 7.1 | 39,563 |
| 5 | One-Shots | 7.2 | 42,526 |
| 6 | Though the Heavens Fall | 8.0 | 43,605 |
| 7 | The Frenchman, the Female, and the Man Called Mother's Milk | 5.8 | 59,103 |
| 8 | Blood and Bone | 5.6 | 131,620 |
