Seasons
Season 1 episodes — IMDb ratings
| # | Title | Rating | Votes |
|---|
| 1 | Sighting 4001: The Washington D.C. Incident | 7.2 | 43 |
| 2 | Sighting 4002: The Joshua Flats Incident | 7.4 | 30 |
| 3 | Sighting 4003: The Fremont Incident | 7.5 | 32 |
| 4 | Sighting 4004: The Howard Crossing Incident | 7.3 | 25 |
| 5 | Sighting 4005: The Medicine Bow Incident | 6.9 | 25 |
| 6 | Sighting 4006: The Nevada Desert Incident | 7.4 | 24 |
| 7 | Sighting 4007: The Forest City Incident | 8.4 | 20 |
| 8 | Sighting 4008: The Desert Springs Incident | 7.6 | 18 |
| 9 | Sighting 4009: The French Incident | 7.3 | 23 |
| 10 | Sighting 4010: The Waterford Incident | 7.3 | 17 |
| 11 | Sighting 4011: The Dollhouse Incident | 7.8 | 18 |
| 12 | Sighting 4012: The Rock and Hard Place Incident | 7.9 | 19 |
| 13 | Sighting 4013: The St. Hilary Incident | 7.3 | 18 |
Season 2 episodes — IMDb ratings
| # | Title | Rating | Votes |
|---|
| 1 | Sighting 4015: The Underwater Incident | 7.1 | 15 |
| 2 | Sighting 4016: The Pipeline Incident | 7.7 | 21 |
| 3 | Sighting 4017: The Devilish Davidson Lights Incident | 7.2 | 18 |
| 4 | Sighting 4018: The Incident on the Cliffs | 6.9 | 16 |
| 5 | Sighting 4014: The Wild Blue Yonder Incident | 7.4 | 15 |
| 6 | Sighting 4019: The Believe It or Not Incident | 7.7 | 21 |
| 7 | Sighting 4022: The Camouflage Incident | 6.8 | 16 |
| 8 | Sighting 4020: The Island Incident | 6.7 | 14 |
| 9 | Sighting 4021: The Superstition Mountain Incident | 6.6 | 14 |
| 10 | Sighting 4023: The I-Man Incident | 7.2 | 16 |
| 11 | Sighting 4024: The Scoutmaster Incident | 7.5 | 13 |
| 12 | Sighting 4026: The Atlantic Queen Incident | 7.5 | 15 |
| 13 | Sighting 4025: The Whitman Tower Incident | 6.5 | 13 |
