6.69 avg 10 episodes 6.8 → 6.1 51 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Last Day | 6.8 | 3,024 |
| 2 | Crash | 6.8 | 2,541 |
| 3 | Orion | 6.6 | 2,352 |
| 4 | The King Is Dead | 6.5 | 2,160 |
| 5 | Going Home | 6.8 | 1,991 |
| 6 | Home Invasion | 6.9 | 2,385 |
| 7 | Hope | 6.7 | 1,771 |
| 8 | Contact | 6.6 | 1,785 |
| 9 | Full of Stars | 7.1 | 1,940 |
| 10 | First Day | 6.1 | 1,906 |
6.87 avg 10 episodes 7.1 → 6.6 50 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Something's Changed | 7.1 | 1,473 |
| 2 | Chasing Ghosts | 6.4 | 1,215 |
| 3 | Fireworks | 7.3 | 1,209 |
| 4 | The Tunnel | 6.8 | 1,120 |
| 5 | A Voice from the Other Side | 7.1 | 1,043 |
| 6 | Pressure Points | 6.8 | 981 |
| 7 | Down the Rabbit Hole | 6.7 | 954 |
| 8 | Cosmic Ocean | 6.9 | 923 |
| 9 | Breakthrough | 7.0 | 900 |
| 10 | Old Friends, New Frontiers | 6.6 | 1,133 |
6.55 avg 10 episodes 6.8 → 6.2 46 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | The Ones We Leave Behind | 6.8 | 794 |
| 2 | The Message | 6.6 | 662 |
| 3 | Infinitas | 6.7 | 610 |
| 4 | The Mission | 6.6 | 581 |
| 5 | Point of No Return | 6.9 | 594 |
| 6 | Marilyn | 5.3 | 740 |
| 7 | Outpost 17 | 6.6 | 519 |
| 8 | Life in the Dead Zone | 7.2 | 558 |
| 9 | Homecoming | 6.6 | 501 |
| 10 | The End of the Line | 6.2 | 582 |