S04E22 Where the Collapse Started

• Sezonul 4, episodul 22
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• Difuzat marți, 10 mai 2016
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• 41 min

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.