Threshold: Episódios
Temporada 1
| # | Episode name | Data |
|---|---|---|
| 1 | Trees Made of Glass (1) | 16/09/2005 |
| 2 | Trees Made of Glass (2) | 16/09/2005 |
| 3 | Blood of the Children | 23/09/2005 |
| 4 | The Burning | 30/09/2005 |
| 5 | Shock | 07/10/2005 |
| 6 | Pulse | 14/10/2005 |
| 7 | The Order | 21/10/2005 |
| 8 | Revelations | 04/11/2005 |
| 9 | Progeny | 22/11/2005 |
| 10 | The Crossing | 11/01/2006 |
| 11 | Outbreak | 18/01/2006 |
| 12 | Vigilante | 25/01/2006 |
| 13 | Alienville | 01/02/2006 |