A series of false alarms at a private school hinders the firehouse's ability to respond to legitimate emergency calls. Kidd asks for ideas to surprise Severide on his birthday. Cruz and Brett rent out their extra room, but the new tenant is more than they bargained for.
- Directed by
- Reza Tabrizi
- Written by
- Michael Gilvary, Andrea Newman
Guest stars
All episodes — Season 8
Open season page
S8 E1Sacred Ground
Sep 25, 20198.942 min
The mattress factory fire spirals out of control. Truck and squad lay it on the line in hopes of getting the trapped victims out alive.
S8 E2A Real Shot in the Arm
Oct 2, 20197.942 min
Lt. Casey struggles to get Chief Boden to sign off on an energetic new recruit. Against her better judgment, Foster extends an olive branch to her irritating new medic. Otis inspires Herrmann to seek new partners at Molly’s. Brett realizes
S8 E3Badlands
Oct 9, 20198.242 min
Brett and Foster question the suspicious circumstances surrounding a brutal attack at a juvenile detention center, which leaves them searching for the truth. A convoluted new technology installed inside Firehouse 51 tests everybody’s patien
S8 E4Infection (I)
Oct 16, 20198.841 min
A rare but deadly bacteria takes its toll on numerous victims around the city, leaving Chicago’s finest first responders to work together alongside the CDC to resolve the dangerous situation. Following a fire at a local university that ties
S8 E5Buckle Up
Oct 23, 20197.442 min
Kidd must prove herself at the National Firefighter Leadership Conference while the rest of Firehouse 51 is called to two eerily similar car wrecks. Mouch tries to keep everyone in the firehouse informed by starting a newsletter, but things
S8 E6What Went Wrong
Oct 30, 20197.442 min
Cruz and Severide suspect foul play when a fire started by an elderly woman turns deadly. Kidd, Foster and Brett create a women’s-only lounge. Firehouse 51 celebrates some good news.