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Severide puts his job on the line to help out one of their own; Kidd navigates Natalie's complicated relationship with her sister; Herrmann prepares to take the Chief test.

Chicago Fire

It Had to End This Way

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Kidd strengthens her bond with Natalie during a road trip; Severide investigates a car fire and uncovers surprising evidence; Violet receives a career opportunity after being featured in a local newspaper.

The Bad Guy

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With the crew stretched thin, a performance efficiency expert evaluates Firehouse 51; Kidd and Severide bond with the mother of the baby they hope to adopt.

Cut Me Open

Severide investigates an old house fire from 10 years back in which Kidd had responded; Carver and Violet search for a mystery medic who abandoned a victim; Novak looks for a roommate.

Permanent Damage

Deputy Commissioner Boden returns to Firehouse 51 to investigate a disastrous firefight and the surrounding mystery that left one of their own in peril.

Post-Mortem

Kidd connects with a troubled teen interested in Girls on Fire; Cruz, Capp and Tony eagerly wait to try out Squad's new saw; Violet and Novak are stumped by a bodybuilder who passed out at the gym.

A Beast Like This

In the face of adversity, Pascal searches for justice; Violet struggles to write a letter to Carver; Damon returns to the floater pool hoping to secure a permanent spot at 51.

In the Rubble

Kidd and Severide eagerly await big news; Pascal searches for the perfect anniversary gift.

Too Close

A surprise visitor from Novak's past joins Ambo for a late-night ride-along; Herrmann faces a mountain of Chief-level training records and incident reports; Violet catches Carver in a lie.

Bar Time

After a daring rescue at an adventure park, Kidd asks Severide to create a ropes course for Girls on Fire; Violet's former nemesis returns, pleading for her help; Herrmann creates a signature cocktail for Molly's.

Born of Fire

Herrmann investigates the rise in missing fire hydrants and teams up with Kylie to track them down; Kidd's cousin comes to town, revealing surprising family history; Violet and Novak treat the victim of a birthday cake smash gone awry.

Relief Cut

Chicago's first responders unite in the wake of a catastrophic gas explosion and fire that threaten a city government building; Herrmann reluctantly shadows Pascal while Violet, Novak and Dr. Frost take charge of triage efforts on site.

In the Trenches: Part I

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As the courageous firefighters, rescue squad and paramedics of Chicago Firehouse 51 head first into danger, bravely fighting to save the people of their city from peril, they also forge deep, unbreakable bonds with each other.

S13 E18 | Post-Mortem