Threshold: Afleveringen
Seizoen 1
| # | Naam van de aflevering | |
|---|---|---|
| 1 | Trees Made of Glass (1) | 16-09-05 |
| 2 | Trees Made of Glass (2) | 16-09-05 |
| 3 | Blood of the Children | 23-09-05 |
| 4 | The Burning | 30-09-05 |
| 5 | Shock | 07-10-05 |
| 6 | Pulse | 14-10-05 |
| 7 | The Order | 21-10-05 |
| 8 | Revelations | 04-11-05 |
| 9 | Progeny | 22-11-05 |
| 10 | The Crossing | 11-01-06 |
| 11 | Outbreak | 18-01-06 |
| 12 | Vigilante | 25-01-06 |
| 13 | Alienville | 01-02-06 |