Chicago Fire’s Fall Finale Delivers a Flame-Filled Tribute to 100 Episodes

— A Milestone Celebration That Delivered Heat On and Off the Screen —

When Chicago Fire aired its 100th episode—fittingly titled “One Hundred”—it wasn’t just a celebration of fictional Molly’s Pub turning a century old. It was also a landmark moment for the first responder drama that ignited the entire One Chicago franchise and helped pull NBC back from the brink of ratings obscurity.

Five seasons in, Chicago Fire remains a fireproof blend of adrenaline-pumping rescues, complex relationships, and tight-knit camaraderie, anchored by a cast that feels more like a family than just coworkers on set.


🔥 A Toast to 100: Firehouse 51 Meets a Franchise Milestone

On-screen, the episode focuses on Molly’s 100th anniversary bash, a PR move from Otis (Yuri Sardarov) meant to save the financially struggling bar. Off-screen, however, the celebration is much larger. The Chicago Fire team—led by executive producer Derek Haas—commemorates hitting 100 episodes with a grounded reminder of why this show has endured: “We have a really great cast,” Haas says. “People come and go, but our core is still here.”

Outside the real-life Chicago bar that often doubles as Molly’s, the cast spends the day joking, hugging fans, and even showing a reporter around a 25-year-old fire engine. “It feels like we’re the patriarchs of a growing family,” Taylor Kinney (Lt. Kelly Severide) reflects. “And I’m proud to be a part of it.”

Even Jesse Spencer (Lt. Matt Casey), the group’s self-proclaimed “pessimist,” is impressed: “I worried we couldn’t keep doing these huge rescue scenes every week, but here we are—still really stoked.”


🚨 Love, Danger & Bone Marrow: What “One Hundred” Delivered

This special episode doesn’t just rest on past glory. It pushes forward, threading personal transformation and intense drama through multiple storylines:

  • Molly’s Dark Past: Otis’ big party plan hits a snag when a reporter uncovers that the bar once housed a gruesome gangland crime during Prohibition. “Don’t dig too deep into Chicago history,” Haas quips, “you might find a few bodies.”

  • Severide’s Awakening: Faced with emotional emptiness, Severide surprises everyone by agreeing to donate bone marrow to a young leukemia patient. Taylor Kinney notes, “Helping someone during his time off might be more beneficial to the soul than a fishing trip.”

  • Casey & Gabby’s Joy—Then Shock: Just as the couple feels secure in adopting their foster son Louie—who, in a tearjerker moment, calls Casey “Daddy”—a bombshell moment in the final 30 seconds threatens to tear it all apart.


❤️ Fire, Family & Fandom: The Real Heat of the Series

Part of Chicago Fire’s staying power lies in how well it balances action with emotional depth. The cast’s chemistry, on and off screen, is a big reason why viewers keep tuning in.

Take the cross-show romance between Fire’s Sylvie Brett (Kara Killmer) and P.D.’s Antonio Dawson (Jon Seda), who’s about to make the jump to Chicago Justice. “Sylvie’s had a bad run,” Killmer admits. “I like this pairing, and Jon’s great. I hope the writers let it go for a while.”

And with Chicago P.D. and Chicago Med already thriving, plus Chicago Justice on the horizon, the franchise continues to grow under the “Chicago One” banner, uniting stories, characters, and emergencies across the Windy City.


🔮 What’s Next? Ramifications & Rescues Await

The fallout from “One Hundred” sets the stage for a powerful 2017. Haas teases, “You’ll find out what happens in those final 30 seconds when we come back.” With potential heartbreak on the horizon for Casey and Gabby, a personal rebirth for Severide, and more secrets buried under Molly’s bar floorboards, Chicago Fire shows no signs of cooling off.

“Our show is modeled after ER,” Haas says. “As long as viewers show up, we’ll keep breathing life into it. Because every time that firehouse bell rings—there’s something new going on.”


💬 Fan Favorites: The Top 3 Highlights of “One Hundred”

  • Louie calling Casey “Daddy” (Cue the sobs.)

  • Severide stepping up as a bone marrow donor—a quiet, heroic pivot.

  • The “mob murder” twist at Molly’s adding an unexpected historical layer.


🧯 Final Verdict: A Worthy Celebration, With Plenty of Fire Left

As Chicago Fire passes the 100-episode milestone, it stands not only as a legacy series for NBC but also as a beacon of what character-driven network dramas can still achieve. With action, heart, humor, and just the right amount of heat, Firehouse 51 isn’t just surviving—it’s thriving.

And if the final moments of “One Hundred” are any clue, things are about to get even hotter.

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