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NBC Insider One Chicago

Is Chicago Fire New Tonight? (March 20, 2024)

Find out when new episodes of all your favorite One Chicago shows return.

By Jessica White

Season 12 of Chicago Fire has been an action-packed watch. 

How to Watch

Watch Chicago Fire Wednesdays at 9/8c on NBC and next day on Peacock.

It's been a season of bittersweet goodbyes and hesitant change. Firehouse 51 recently bid farewell to the beloved Sylvie Brett (Kara Killmer) after she moved to reunite with Matthew Casey (Jesse Spencer) as newlyweds. We also said goodbye to Blake Gallo (Alberto Rosende) — meanwhile welcoming a new firefighter into the fold: Derrick Gibson (Rome Flynn). From Stella Kidd (Miranda Rae Mayo) and Kelly Severide's (Taylor Kinney) swoon-worthy romance to thrilling rescue missions, the twists and turns on Chicago Fire Season 12 have been nonstop. 

RELATED: After Matthew Casey and Sylvie Brett's Engagement, Revisit Their Intense Romance

If you're watching weekly, be sure to check out this post to make sure a new episode is airing on Wednesday nights.

Stella Kidd and Darren Ritter look up while wearing firefighter uniforms near a fire truck in Chicago Fire Episode 1202.

Is Chicago Fire new tonight? (March 20, 2024) 


The logline for Season 12, Episode 7 ("Red Flag") promises, "Violet clashes with her new partner; Severide discovers a hidden stash of money on a call and squares off against the cops working the case; Mouch gets a parking ticket."

NBC Insider chatted with Kara Killmer in honor of her emotional farewell from the series. Killmer delighted in reminiscing about the Chicago Fire's cast endless laughs on set. 

"There is such a core principle of humor and friendship that continues to keep [us] going; I think that's what's really special about our show in particular," Killmer revealed, adding that One Chicago creator Dick Wolf is "very intentional about making sure that the people who work on our show...have a good sense of humor."

RELATED: All About Rome Flynn, Who Plays Derrick Gibson in Chicago Fire Season 12

Sylvie Brett (Kara Killmer), Matt Casey (Jesse Spencer) Kelly Severide (Taylor Kinney), Stella Kidd (Miranda Rae Mayo) pose for a photo together

When will new episodes of Chicago Fire return?

New episodes of Chicago Fire Season 12 air on Wednesdays at 9/8c on NBC for One Chicago Wednesdays.

The logline for the March 27 episode — Season 12, Episode 8 ("All the Dark") — teases, "A hazmat call at a dialysis centre leads to a shocking discovery; Boden clashes with Paramedic Chief Robinson; Carver notices a concerning change in Gibson's behavior."

Kelly Severide (Taylor Kinney) and Matthew Casey (Jesse Spencer) in their firefighting uniforms

Where can I watch old episodes of Chicago Fire? 

Want to catch up on Season 12's action or simply re-live some of the most intense Fire moments? Peacock is the go-to choice for streaming all your favorite Chicago Fire episodes. 

Watch Chicago Fire Wednesdays at 9/8c on NBC and the next day on Peacock.