Season 1 (2004)
7.58 avg 6 episodes 7.5 → 7.8 42 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 0 | Pilot: Part 1 | 7.5 | 263 |
| 1 | Pilot: Part 2 | 7.8 | 884 |
| 2 | The New and Improved Carl Morrissey | 7.5 | 695 |
| 3 | Becoming | 7.4 | 635 |
| 4 | Trial by Fire | 7.5 | 609 |
| 5 | White Light | 7.8 | 614 |
Cast
Seasons
Season 2 (2005)
7.55 avg 13 episodes 7.5 → 7.7 44 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Wake-Up Call | 7.5 | 546 |
| 2 | Voices Carry | 7.3 | 491 |
| 3 | Weight of the World | 7.3 | 487 |
| 4 | Suffer the Children | 7.2 | 474 |
| 5 | As Fate Would Have It | 7.7 | 466 |
| 6 | Life Interrupted | 8.1 | 576 |
| 7 | Carrier | 7.2 | 466 |
| 8 | Rebirth | 7.2 | 437 |
| 9 | Hidden | 7.3 | 433 |
| 10 | Lockdown | 7.6 | 436 |
| 11 | The Fifth Page | 7.7 | 429 |
| 12 | Mommy's Bosses | 8.3 | 478 |
| 13 | Episode #2.13 | 7.7 | 38 |
Season 3 (2006)
7.49 avg 13 episodes 7.4 → 8.1 46 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 0 | Unlocking the Secrets | 7.4 | 204 |
| 1 | The New World | 7.7 | 464 |
| 2 | Being Tom Baldwin | 7.4 | 422 |
| 3 | Gone: Part 1 | 7.7 | 426 |
| 4 | Gone: Part 2 | 7.8 | 410 |
| 5 | Graduation Day | 7.3 | 393 |
| 6 | The Home Front | 7.0 | 379 |
| 7 | Blink | 7.0 | 384 |
| 8 | The Ballad of Kevin and Tess | 7.4 | 400 |
| 9 | The Starzl Mutation | 7.5 | 379 |
| 10 | The Gospel According to Collier | 7.7 | 371 |
| 11 | Terrible Swift Sword | 7.4 | 378 |
| 12 | Fifty-Fifty | 8.1 | 425 |
Season 4 (2007)
7.59 avg 13 episodes 7.5 → 8.2 42 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | The Wrath of Graham | 7.5 | 422 |
| 2 | Fear Itself | 7.3 | 359 |
| 3 | Audrey Parker's Come and Gone | 7.5 | 359 |
| 4 | The Truth and Nothing But the Truth | 7.6 | 343 |
| 5 | Try the Pie | 7.8 | 352 |
| 6 | The Marked | 7.9 | 354 |
| 7 | Till We Have Built Jerusalem | 7.7 | 350 |
| 8 | No Exit | 7.5 | 370 |
| 9 | Daddy's Little Girl | 7.3 | 382 |
| 10 | One of Us | 7.5 | 349 |
| 11 | Ghost in the Machine | 7.3 | 352 |
| 12 | Tiny Machines | 7.6 | 350 |
| 13 | The Great Leap Forward | 8.2 | 477 |
