1 Tempada
13 Episodio
Threshold - Season 1
- Ano: 2006
- País: United States of America, United Kingdom
- Xénero: Sci-Fi & Fantasy, Drama, Action & Adventure
- Estudo: CBS
- Palabra clave: washington dc, usa, alien, alien invasion, government cover-up, top secret, government conspiracy
- Director: Bragi F. Schut
- Reparto: Carla Gugino, Brian Van Holt, Brent Spiner, Rob Benedict, Peter Dinklage, Charles S. Dutton