Kelly Severide faces a blast from the past when his old mentor, Chief Grissom (played by Gary Cole), visits the station.
Episode Spotlight: [S6E10] " Slamigan " In the world of Chicago Fire , some episodes are defined by heart-pounding rescues, while others are remembered for the personal growth of the Firehouse 51 family. Season 6, Episode 10, aptly titled manages to deliver both—balancing a high-stakes chemical fire with the birth of a now-iconic firefighting tool and some major emotional breakthroughs. The Search for Bria Ends
The tool gets its name—the Slamigan —and is immediately put to the test during a massive chemical fire. It works perfectly, allowing the crew to contain a fire that threatened to level an entire block. Tension and Mentors
Cruz wants to weld a sledgehammer to a Halligan bar , creating a tool that allows a single firefighter to force a door open without needing a partner.
While the heavier drama unfolded, Joe Cruz was hard at work in the firehouse with a "big idea".