Threshold was a science fiction drama television series that first aired on CBS in September 2005. Produced by Brannon Braga, David S. Goyer and David Heyman, the series focuses on a secret government project investigating the first contact with an extraterrestrial species.
- Year: 2006
- Country: 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
- Director: Bragi Schut
- Cast: Carla Gugino, Brian Van Holt, Brent Spiner, Rob Benedict, Peter Dinklage, Charles S. Dutton