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Season
Season 1 Episode
- Season 1 Trees Made of Glass (1)
- Season 1 Trees Made of Glass (2)
- Season 1 Blood of the Children
- Season 1 The Burning
- Season 1 Shock
- Season 1 Pulse
- Season 1 The Order
- Season 1 Revelations
- Season 1 Progeny
- Season 1 The Crossing
- Season 1 Outbreak (a.k.a. Escalation)
- Season 1 Vigilante
- Season 1 Alienville
Threshold - Season 1
7.01 41 minutes 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.
