8.55 avg 8 episodes 8.7 → 9.1 59 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | The Name of the Game | 8.7 | 39,069 |
| 2 | Cherry | 8.5 | 31,355 |
| 3 | Get Some | 8.3 | 29,590 |
| 4 | The Female of the Species | 8.7 | 29,926 |
| 5 | Good for the Soul | 8.3 | 28,524 |
| 6 | The Innocents | 8.1 | 27,449 |
| 7 | The Self-Preservation Society | 8.7 | 27,996 |
| 8 | You Found Me | 9.1 | 33,066 |
8.54 avg 8 episodes 8.1 → 9.4 62 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | The Big Ride | 8.1 | 26,482 |
| 2 | Proper Preparation and Planning | 7.6 | 24,976 |
| 3 | Over the Hill with the Swords of a Thousand Men | 9.0 | 28,584 |
| 4 | Nothing Like It in the World | 8.0 | 24,537 |
| 5 | We Gotta Go Now | 8.3 | 24,645 |
| 6 | The Bloody Doors Off | 8.9 | 26,660 |
| 7 | Butcher, Baker, Candlestick Maker | 9.0 | 27,439 |
| 8 | What I Know | 9.4 | 36,649 |
8.63 avg 8 episodes 8.3 → 8.3 62 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Payback | 8.3 | 27,378 |
| 2 | The Only Man in the Sky | 8.6 | 26,515 |
| 3 | Barbary Coast | 8.2 | 25,432 |
| 4 | Glorious Five Year Plan | 8.9 | 28,256 |
| 5 | The Last Time to Look on This World of Lies | 8.2 | 25,375 |
| 6 | Herogasm | 9.6 | 58,801 |
| 7 | Here Comes a Candle to Light You to Bed | 8.9 | 29,014 |
| 8 | The Instant White-Hot Wild | 8.3 | 33,232 |
7.89 avg 8 episodes 7.3 → 9.0 63 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Department of Dirty Tricks | 7.3 | 32,045 |
| 2 | Life Among the Septics | 7.0 | 28,973 |
| 3 | We'll Keep the Red Flag Flying Here | 7.4 | 27,931 |
| 4 | Wisdom of the Ages | 8.8 | 37,652 |
| 5 | Beware the Jabberwock, My Son | 8.0 | 28,436 |
| 6 | Dirty Business | 7.4 | 28,542 |
| 7 | The Insider | 8.2 | 26,216 |
| 8 | Season Four Finale | 9.0 | 41,692 |
7.34 avg 8 episodes 8.7 → 5.6 63 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Fifteen Inches of Sheer Dynamite | 8.7 | 48,530 |
| 2 | Teenage Kix | 8.2 | 40,747 |
| 3 | Every One of You Sons of Bitches | 8.0 | 38,536 |
| 4 | King of Hell | 7.2 | 38,613 |
| 5 | One-Shots | 7.2 | 41,534 |
| 6 | Though the Heavens Fall | 8.0 | 42,576 |
| 7 | The Frenchman, the Female, and the Man Called Mother's Milk | 5.8 | 57,765 |
| 8 | Blood and Bone | 5.6 | 128,778 |
