| Season 6 | 2010 | 8.6/10 | ||
| 1-2 | LA X |
 |
8.9 | |
| 3 | What Kate Does |
 |
7.5 | |
| 4 | The Substitute |
|
7.6 | |
| 5 | Lighthouse |
|
8.5 | |
| 6 | Sundown |
|
8.0 | |
| 7 | Dr. Linus |
|
7.8 | |
| 8 | Recon |
|
8.0 | |
| 9 | Ab Aeterno |
|
8.6 | |
| 10 | The Package |
|
8.3 | |
| 11 | Happily Ever After |
|
8.7 | |
| 12 | Everybody Loves Hugo |
|
8.0 | |
| 13 | The Last Recruit |
|
8.2 | |
| 14 | The Candidate |
|
9.0 | |
| 15 | Across the Sea |
|
8.6 | |
| 16 | What They Died For |
|
8.4 | |
| 17-18 | The End |
|
9.0 |