You are watching Threshold the serie belongs in Category Sci-Fi & Fantasy,Drama,Action & Adventure, , Talk Show with duration Array Min and original name [Threshold], broadcast at streamingjoy.COM, 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..