Threshold: Episoden
Staffel 1
| # | Episode name | Datum |
|---|---|---|
| 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 |