1 ฤดูกาล
13 ตอน
Threshold - Season 1 Episode 2
Gunneson reappears in Caffrey's house. Meanwhile, Lucas, Nigel and Ramsey try to break down how the alien signals and DNA operate and come up with some interesting theories. Cavennaugh's team tries to locate Gunneson other shipmates.
- ประเทศ : United States of America, United Kingdom
- ประเภท : Sci-Fi & Fantasy, Drama, Action & Adventure
- ผู้อำนวยการ : Bragi F. Schut
- นักแสดง : Carla Gugino, Brian Van Holt, Brent Spiner, Rob Benedict, Peter Dinklage, Charles S. Dutton