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 Episode 11 Outbreak (a.k.a. Escalation)
7.03 41 minutes Lucas is infected with the alien DNA from something he ate. The infectees have harvested crops with the alien DNA. Caffrey must find a way to stop what could be nearly 200 new infectees. Also, one of the aliens approaches her with an interesting revelation.
