Dizi Adı: Chicago Fire
Bölüm Adı: Viral
Sezon/Bölüm: 1. Sezon 16. Bölüm
Yayın Tarihi: 20 Şub. 2013

The anguish that haunts Cruz over his previous actions boils over, as he puts himself and his fellow firefighters in jeopardy. Casey and his sister Christie try to solve their issues with their mother and each other. Meanwhile, Severide reaches out again to an important person from his past as a favor to Lieutenant Whaley and the squad gains new perspective after assisting the bomb squad on an extremely dangerous call.