
2008 – 2013
100 Episodes
| Ep 1 | Ep 2 | Ep 3 | Ep 4 | Ep 5 | Ep 6 | Ep 7 | Ep 8 | Ep 9 | Ep 10 | Ep 11 | Ep 12 | Ep 13 | Ep 14 | Ep 15 | Ep 16 | Ep 17 | Ep 18 | Ep 19 | Ep 20 | Ep 21 | Ep 22 | Ep 23 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S1 | 7.6 | 7.1 | 7.5 | 7.5 | 7.2 | 7.4 | 7.5 | 7.5 | 7.4 | 8.0 | 8.0 | 6.9 | 7.6 | 8.3 | 7.9 | 7.3 | 7.6 | 7.5 | 8.1 | 8.4 | |||
| S2 | 8.0 | 7.4 | 7.6 | 8.4 | 7.3 | 7.2 | 7.6 | 8.2 | 7.1 | 7.9 | 6.1 | 7.2 | 7.4 | 7.5 | 8.2 | 8.8 | 7.5 | 8.8 | 8.2 | 6.7 | 7.7 | 8.3 | 8.6 |
| S3 | 8.1 | 7.6 | 8.1 | 7.7 | 7.7 | 7.5 | 8.0 | 8.3 | 7.6 | 7.9 | 7.4 | 7.6 | 7.2 | 7.6 | 8.1 | 7.4 | 7.6 | 7.7 | 7.4 | 7.9 | 8.3 | 8.4 | |
| S4 | 7.6 | 7.8 | 7.4 | 7.6 | 7.4 | 8.2 | 7.5 | 8.0 | 7.9 | 7.2 | 7.7 | 7.6 | 7.2 | 7.8 | 7.3 | 7.1 | 7.7 | 7.7 | 8.1 | 8.5 | 7.5 | 7.9 | |
| S5 | 7.7 | 7.4 | 7.2 | 7.8 | 7.7 | 7.8 | 7.8 | 7.9 | 7.5 | 8.1 | 8.0 | 8.2 | 8.6 |
FBI Special Agent Olivia Dunham, brilliant but formerly institutionalized scientist Walter Bishop and his scheming, reluctant son Peter uncover a deadly mystery involving a series of unbelievable events and realize they may be a part of a larger, more disturbing pattern that blurs the line between science fiction and technology.