| Season 4 | 2008 | 9.6/10 | ||
| 1 | The Beginning of the End |
 |
9.0 | |
| 2 | Confirmed Dead |
 |
7.5 | |
| 3 | The Economist |
|
8.7 | |
| 4 | Eggtown |
|
8.0 | |
| 5 | The Constant |
|
9.0 | |
| 6 | The Other Woman |
|
8.2 | |
| 7 | Ji Yeon |
|
9.0 | |
| 8 | Meet Kevin Johnson |
|
9.0 | |
| 9 | The Shape of Things to Come |
|
8.7 | |
| 10 | Something Nice Back Home |
|
7.8 | |
| 11 | Cabin Fever |
|
8.6 | |
| 12 | There's No Place Like Home (Part 1) |
|
8.8 | |
| 13 | There's No Place Like Home (Part 2) |
|
9.0 | |
| 14 | There's No Place Like Home (Part 3) |
|
9.4 |