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E1 New Blood
Firehouse 51 faces the fallout of the warehouse fire. The team welcomes a new crop of probies into the fold.
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E2 Rattle the Cage
Violet and Novak grow suspicious of a mental health facility after treating an escaped patient. Severide feels heat coming down from HQ.
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E3 Take the Hit
A mistake in the field lands a firefighter in the hospital. Herrmann looks to get one of their own back on track.
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E4 A Perfect Arson
The FBI recruits Severide when an arson is staged to cover up the kidnapping of a judge's daughter.
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E5 Three Hundred
Firehouse 51 responds to a complex hostage situation. Cruz continues to make strides. Chief Tomlin gives Severide an impossible task.
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E6 Over the Edge
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.
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E7 No Love Lost
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.