Where the Collapse Started
| Episode Number | 22 |
|---|---|
| Season | 4 |
| Aired | 2016-05-10 |
| Overview | 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. |
| Runtime | 41 minutes |
| Absolute Number | 91 |
| Finale Type |