6.68 avg 10 episodes 6.8 → 6.1 51 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Last Day | 6.8 | 3,040 |
| 2 | Crash | 6.8 | 2,550 |
| 3 | Orion | 6.5 | 2,360 |
| 4 | The King Is Dead | 6.5 | 2,168 |
| 5 | Going Home | 6.8 | 1,999 |
| 6 | Home Invasion | 6.9 | 2,393 |
| 7 | Hope | 6.7 | 1,777 |
| 8 | Contact | 6.6 | 1,791 |
| 9 | Full of Stars | 7.1 | 1,943 |
| 10 | First Day | 6.1 | 1,912 |
6.87 avg 10 episodes 7.1 → 6.6 50 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Something's Changed | 7.1 | 1,483 |
| 2 | Chasing Ghosts | 6.4 | 1,222 |
| 3 | Fireworks | 7.3 | 1,217 |
| 4 | The Tunnel | 6.8 | 1,130 |
| 5 | A Voice from the Other Side | 7.1 | 1,052 |
| 6 | Pressure Points | 6.8 | 989 |
| 7 | Down the Rabbit Hole | 6.7 | 960 |
| 8 | Cosmic Ocean | 6.9 | 930 |
| 9 | Breakthrough | 7.0 | 907 |
| 10 | Old Friends, New Frontiers | 6.6 | 1,142 |
6.54 avg 10 episodes 6.7 → 6.2 46 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | The Ones We Leave Behind | 6.7 | 812 |
| 2 | The Message | 6.6 | 676 |
| 3 | Infinitas | 6.7 | 621 |
| 4 | The Mission | 6.6 | 592 |
| 5 | Point of No Return | 6.9 | 606 |
| 6 | Marilyn | 5.3 | 756 |
| 7 | Outpost 17 | 6.6 | 532 |
| 8 | Life in the Dead Zone | 7.2 | 569 |
| 9 | Homecoming | 6.6 | 511 |
| 10 | The End of the Line | 6.2 | 600 |
