Backed Against the Wall
| Episode Number | 4 |
|---|---|
| Season | 4 |
| Aired | 2018-10-17 |
| Overview | Dr. Halstead gets an unplanned visit from the CPD while Ethan is skeptical of a woman who is experiencing chronic pain. Natalie tends to a cancer patient whose brother has strong feelings on why he is refusing to lend his assistance. |
| Runtime | 45 minutes |
| Absolute Number | 65 |
| Finale Type |