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.
Genres: Sci-Fi & Fantasy, Drama, Action & Adventure. TMDB rating: 7.0/10. Watch free online in HD on Flash Movies.