Season 4Episode 2441m
Amplification
2009-05-138.4 rating
When a new type of chemical warfare is released into the open air, the BAU must act quickly to find the source before any more innocent people are exposed.
2009-05-138.4 rating
When a new type of chemical warfare is released into the open air, the BAU must act quickly to find the source before any more innocent people are exposed.