What to Expect from Chicago Fire Season 14 Episode 4: Mercy
Firehouse 51 must battle a house fire that affects one of their own on Chicago Fire Season 14 Episode 4, “Mercy.”
When the call for a fire comes in to the firehouse, Herrmann realizes it’s his home address. What’s worse, his daughter, Annabelle, was home that day.
It appears to be a shocking and emotional episode as the team arrives to find Herrmann’s house ablaze, with no sign of Annabelle anywhere.
Here’s everything you need to know about this episode, including the air date, cast, promo, and how to watch.
Chicago Fire Season 14 Episode 4 Details
- Title: “Mercy”
- Air Date: Wednesday, October 22nd, 2025
- Time: 9/8c
- Network: NBC
- Writer: Alec Wells
- Director: Reza Tabrizi
- Cast: Taylor Kinney, David Eigenberg, Miranda Rae Mayo, Joe Miñoso, Christian Stolte, Hanako Greensmith, Jocelyn Hudon, Dermot Mulroney, Brandon Larracuente
How to Watch Chicago Fire Season 14 Episode 4
- Live: NBC at 9/8c
- Streaming: Available next day on Peacock
Chicago Fire Season 14 Episode 4 Description:
Firehouse 51 must band together after a devastating fire catches them off guard; Vasquez continues his quest for answers; Violet and Novak face an unexpected roadblock in the new training protocol.
More photos from Chicago Fire Season 14 Episode 4:
Promo Video:
What are your hopes for this episode of Chicago Fire? Share your thoughts with us in the comments below, and be sure to catch up with our review of Chicago Fire Season 14 Episode 3 right here.
Chicago Fire airs Wednesdays at 9/8c on NBC.
Want more from Tell-Tale TV? Subscribe to our newsletter here!
Ashley Bissette Sumerel
Ashley Bissette Sumerel is a television and film critic living in Wilmington, North Carolina. She is editor-in-chief of Tell-Tale TV as well as Eulalie Magazine. Ashley has also written for outlets such as Rolling Stone, Paste Magazine, and Insider. Ashley has been a member of the Critics Choice Association since 2017 and is a Rotten Tomatoes-approved critic. In addition to her work as an editor and critic, Ashley teaches Entertainment Journalism, Composition, and Literature at the University of North Carolina Wilmington.