7.48 avg 10 episodes 7.5 → 7.7 45 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | The Bodies Left Behind | 7.5 | 92 |
| 2 | Outbreak | 7.3 | 69 |
| 3 | The Capital Threat | 7.5 | 59 |
| 4 | Heavy Metal | 7.6 | 57 |
| 5 | The Invaders | 7.4 | 54 |
| 6 | Bound and Buried | 7.7 | 52 |
| 7 | Sin City Meltdown | 7.2 | 50 |
| 8 | Armed and Defenseless | 7.3 | 45 |
| 9 | Roads to Nowhere | 7.6 | 47 |
| 10 | Waters of Death | 7.7 | 47 |
7.53 avg 10 episodes 7.1 → 8.1 42 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Wrath of God | 7.1 | 40 |
| 2 | Toxic Revenge | 7.4 | 40 |
| 3 | Crypt of Civilization | 7.7 | 39 |
| 4 | Last Supper | 7.1 | 37 |
| 5 | Home Wrecked Home | 7.6 | 34 |
| 6 | Holiday Hell | 7.5 | 40 |
| 7 | Waves of Devastation | 7.6 | 36 |
| 8 | Sky's the Limit | 7.6 | 38 |
| 9 | Depths of Destruction | 7.6 | 38 |
| 10 | Take Me to Your Leader | 8.1 | 39 |
6.81 avg 8 episodes 6.9 → 6.5 42 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Water World | 6.9 | 28 |
| 2 | Shop 'Til You Drop | 6.9 | 25 |
| 3 | Urban Jungles | 7.3 | 21 |
| 4 | Sands of Time | 7.1 | 18 |
| 5 | Home on the Strange | 6.1 | 15 |
| 6 | The Underground Rises | 7.1 | 15 |
| 7 | Built to Last | 6.6 | 16 |
| 8 | Ticking Time Bombs | 6.5 | 13 |
