Trees Made of Glass (2) Threshold : Season 1 Episode 2
CBS 1h 00m int(0)
Aired: September 16th, 2005 @ 9:00 PM EST on CBS
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.