Chicago Fire Season 13 Episode 18, "Post-Mortem" - Eamonn Walker as Wallace Boden Chicago Fire Season 13 Episode 18 Preview: Boden Returns!

Chicago Fire Season 13 Episode 18 Preview: Boden Returns!

Chicago Fire, Previews

Wallace Boden is back on Chicago Fire Season 13 Episode 18, “Post-Mortem.” It will be the first time we’ve seen Boden in his new role as Deputy Commissioner and the first time he’s appeared since leaving Firehouse 51.

Unfortunately, it looks like his arrival is due to some unfortunate circumstances. In the promo video for the episode (which you can watch below), Boden says, “Last night was every firefighter’s worst nightmare,” and “I need to know exactly what went wrong.”

Chicago Fire Season 13 Episode 18, "Post-Mortem" - (l-r) Michael Bradway as Jack Damon and David Eigenberg as Christopher Herrmann
CHICAGO FIRE — “Post-Mortem” Episode 13018 — Pictured: (l-r) Michael Bradway As Jack Damon, David Eigenberg as Christopher Herrmann — (Photo by: Peter Gordon/NBC)

The video also shows an intense fire with screaming, chaos, and at least one horrifying-looking casualty.

Here’s everything you need to know about this episode, including the air date, cast, promo, and how to watch.


Chicago Fire Season 13 Episode 18 Details

  • Title: “Post-Mortem”
  • Air Date: Wednesday, April 16th, 2025
  • Time: 9/8c
  • Network: NBC
  • Writer: Alec Wells
  • Director: Reza Tabrizi
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Chicago Fire Season 13 Episode 18, "Post-Mortem" - A house on fire.
CHICAGO FIRE — “Post-Mortem” Episode 13018 — Pictured: Atmospheric — (Photo by: Peter Gordon/NBC)

How to Watch Chicago Fire Season 13 Episode 18

  • Live: NBC at 9/8c
  • Streaming: Available next day on Peacock

Chicago Fire Season 13 Episode 18 Description

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


Guest Stars & Returning Characters

  • Cast: Taylor Kinney, David Eigenberg, Miranda Rae Mayo, Joe Miñoso, Christian Stolte, Hanako Greensmith, Jocelyn Hudon, Daniel Kyri, Dermot Mulroney, Jake Lockett, Michael Bradway
  • Guest Stars: Eamonn Walker
  • Notable Returns: Eamonn Walker as Wallace Boden, Jake Lockett as Sam Carver

Promo & Photos

Check out the photos from Chicago Fire Season 13 Episode 18:

Chicago Fire Season 13 Episode 18, "Post-Mortem" - (l-r) Eamonn Walker as Wallace Boden and David Eigenberg as Christopher Herrmann
CHICAGO FIRE — “Post-Mortem” Episode 13018 — Pictured: (l-r) Eamonn Walker as Wallace Boden, David Eigenberg as Christopher Herrmann — (Photo by: Peter Gordon/NBC)
Chicago Fire Season 13 Episode 18, "Post-Mortem" - David Eigenberg as Christopher Herrmann
CHICAGO FIRE — “Post-Mortem” Episode 13018 — Pictured: David Eigenberg as Christopher Herrmann — (Photo by: Peter Gordon/NBC)
Chicago Fire Season 13 Episode 18, "Post-Mortem" - Joe Miñoso as Joe Cruz
Joe Miñoso as Joe Cruz on Chicago Fire Season 13 Episode 18. (Photo by: Peter Gordon/NBC)
Chicago Fire Season 13 Episode 18, "Post-Mortem" - (l-r) Taylor Kinney as Kelly Severide and Joe Miñoso as Joe Cruz
CHICAGO FIRE — “Post-Mortem” Episode 13018 — Pictured: (l-r) Taylor Kinney as Kelly Severide, Joe Miñoso as Joe Cruz — (Photo by: Peter Gordon/NBC)
Chicago Fire Season 13 Episode 18, "Post-Mortem" - Dermot Mulroney as Chief Dom Pascal
Dermot Mulroney as Chief Dom Pascal on Chicago Fire Season 13 Episode 18. (Photo by: Peter Gordon/NBC)
Chicago Fire Season 13 Episode 18, "Post-Mortem" - (l-r) Michael Bradway as Jack Damon and Taylor Kinney as Kelly Severide
CHICAGO FIRE — “Post-Mortem” Episode 13018 — Pictured: (l-r) Michael Bradway As Jack Damon, Taylor Kinney as Kelly Severide — (Photo by: Peter Gordon/NBC)
Chicago Fire Season 13 Episode 18, "Post-Mortem" - Eamonn Walker as Wallace Boden
Eamonn Walker as Wallace Boden on on Chicago Fire Season 13 Episode 18. (Photo by: Peter Gordon/NBC)
Chicago Fire Season 13 Episode 18, "Post-Mortem" - Taylor Kinney as Kelly Severide
Taylor Kinney as Kelly Severide on Chicago Fire Season 13 Episode 18. (Photo by: Peter Gordon/NBC)
Chicago Fire Season 13 Episode 18, "Post-Mortem" - (l-r) Dermot Mulroney as Chief Dom Pascal, Miranda Rae May as Stella Kidd, Taylor Kinney as Kelly Severide, David Eigenberg as Christopher Herrmann, and Eamonn Walker as Wallace Boden
CHICAGO FIRE — “Post-Mortem” Episode 13018 — Pictured: (l-r) Dermot Mulroney as Chief Dom Pascal, Miranda Rae Mayo as Stella Kidd, Eamonn Walker as Wallace Boden — (Photo by: Peter Gordon/NBC)
Chicago Fire Season 13 Episode 18, "Post-Mortem" - David Eigenberg as Christopher Herrmann
David Eigenberg as Christopher Herrmann on Chicago Fire Season 13 Episode 18. (Photo by: Peter Gordon/NBC)
Chicago Fire Season 13 Episode 18, "Post-Mortem" - Dermot Mulroney as Chief Dom Pascal
CHICAGO FIRE — “Post-Mortem” Episode 13018 — Pictured: Dermot Mulroney as Chief Dom Pascal — (Photo by: Peter Gordon/NBC)
Chicago Fire Season 13 Episode 18, "Post-Mortem" - Taylor Kinney as Kelly Severide
Taylor Kinney as Kelly Severide on Chicago Fire Season 13 Episode 18. (Photo by: Peter Gordon/NBC)
Chicago Fire Season 13 Episode 18, "Post-Mortem" - (l-r) David Eigenberg as Christopher Herrmann and Dermot Mulroney as Chief Dom Pascal
David Eigenberg as Christopher Herrmann, Dermot Mulroney as Chief Dom Pascal on Chicago Fire Season 13 Episode 18. (Photo by: Peter Gordon/NBC)
Chicago Fire Season 13 Episode 18, "Post-Mortem" - Christian Stolte as Randy "Mouch" McHolland
CHICAGO FIRE — “Post-Mortem” Episode 13018 — Pictured: Christian Stolte as Randy “Mouch” McHolland — (Photo by: Peter Gordon/NBC)
Chicago Fire Season 13 Episode 18, "Post-Mortem" - Jake Lockett as Sam Carver
Jake Lockett as Sam Carver on Chicago Fire Season 13 Episode 18. (Photo by: Peter Gordon/NBC)
Chicago Fire Season 13 Episode 18, "Post-Mortem" - Dermot Mulroney as Chief Dom Pascal
CHICAGO FIRE — “Post-Mortem” Episode 13018 — Pictured: Dermot Mulroney as Chief Dom Pascal — (Photo by: Peter Gordon/NBC)
Chicago Fire Season 13 Episode 18, "Post-Mortem" - David Eigenberg as Christopher Herrmann
David Eigenberg as Christopher Herrmann on Chicago Fire Season 13 Episode 18. (Photo by: Peter Gordon/NBC)
Chicago Fire Season 13 Episode 18, "Post-Mortem" - Dermot Mulroney as Chief Dom Pascal
Dermot Mulroney as Chief Dom Pascal on Chicago Fire Season 13 Episode 18. (Photo by: Peter Gordon/NBC)

Promo Video:

YouTube 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 Chicago Fire Season 13 Episode 17, “A Beast Like This,” right here.

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Chicago Fire airs Wednesdays at 9/8c on NBC.

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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.

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