Chicago Fire › Season 4

S4 E22: Where the Collapse Started

The team responds to a building collapse that's trapped more than a dozen people. Dawson's quest to foster Louie is aided by a familiar face. Otis, who's on medical leave, meets his temporary replacement. Severide and Kidd continue to see each other. Casey is at odds with Antonio.

Air date	May 10, 2016
Runtime	41 minutes
TMDB rating	★ 7.6/10