8:30 PM (2)
| Episode Number | 12 |
|---|---|
| Season | 1 |
| Aired | 2014-04-30 |
| Overview | As Voight and his team search for the bombers, they realize there might be more bombs set to detonate; Burgess' niece fights for her life. (A Dark Day (1) Chicago Fire S02E20) |
| Runtime | 40 minutes |
| Absolute Number | 12 |
| Finale Type |