Kind of a Crazy Idea
| Episode Number | 21 |
|---|---|
| Season | 4 |
| Aired | 2016-05-03 |
| Overview | Dawson saves a young boy from an apartment fire. Kidd's idea for Molly's doesn't go as hoped. Severide hits a wall while advocating for new fire masks. Cruz and Brett utilize a secret weapon to get Otis to see Dr. Halstead take a blood test. |
| Runtime | 41 minutes |
| Absolute Number | 90 |
| Finale Type |