Season 15
9 episodes

1. New Blood
42m · Oct 7, 2026
Firehouse 51 faces the fallout of the warehouse fire. The team welcomes a new crop of probies into the fold.

2. Rattle the Cage
41m · Oct 14, 2026
Violet and Novak grow suspicious of a mental health facility after treating an escaped patient. Severide feels heat coming down from HQ.

3. Take the Hit
42m · Oct 21, 2026
A mistake in the field lands a firefighter in the hospital. Herrmann looks to get one of their own back on track.

4. A Perfect Arson
41m · Oct 28, 2026
The FBI recruits Severide when an arson is staged to cover up the kidnapping of a judge's daughter.

5. Three Hundred
42m · Nov 4, 2026
Firehouse 51 responds to a complex hostage situation. Cruz continues to make strides. Chief Tomlin gives Severide an impossible task.

6. Over the Edge
41m · Nov 11, 2026
The probies take on their last day at Firehouse 51 when Kidd receives shocking news. Violet and Novak begin fundraising for the Joint Duty Program and receive a surprising donation.
7. No Love Lost
Coming Nov 18, 2026
Firehouse 51 responds when an old rundown RV explodes in a local neighborhood, injuring two people. Vasquez and Kidd discover something suspicious while investigating the cause.
8. Episode 8
Coming Jan 6, 2027
9. Episode 9
Coming Jan 13, 2027