| Season | Average Rating | Episodes | Best Episode | Worst Episode |
|---|---|---|---|---|
| 2 | ★ 8.4 | 13 |
★ 9.0
The Last Ceremony
|
★ 7.9
Baggage
|
| 1 | ★ 8.3 | 10 |
★ 9.0
Night
|
★ 7.9
The Other Side
|
| 4 | ★ 8.1 | 10 |
★ 8.6
The Wilderness
|
★ 7.5
Vows
|
| 3 | ★ 8.0 | 13 |
★ 9.3
Mayday
|
★ 6.4
Heroic
|
| 5 | ★ 7.8 | 10 |
★ 8.6
No Man's Land
|
★ 7.1
Morning
|
