1 Panahon
13 Episode
Threshold
- Taon: 2006
- Bansa: United States of America, United Kingdom
- Genre: Sci-Fi & Fantasy, Drama, Action & Adventure
- Studio: CBS
- Keyword: washington dc, usa, alien, alien invasion, government cover-up, top secret, government conspiracy
- Direktor: Bragi F. Schut
- Cast: Carla Gugino, Brian Van Holt, Brent Spiner, Rob Benedict, Peter Dinklage, Charles S. Dutton