Chicago Fire Season 15 Episode 5 photos preview “Three Hundred,” the series’ milestone 300th episode, premiering tonight, Wednesday, November 4, at 9:00 p.m. ET/PT on NBC. Firehouse 51 responds to a complex hostage situation as the long-running drama reaches a major anniversary.
Taylor Kinney stars as Kelly Severide, who faces an impossible task from Chief Tomlin. Joe Miñoso as Joe Cruz also takes the spotlight, with the episode’s synopsis teasing that Cruz continues to make strides.
What Is “Three Hundred” About?
The new episode sends the Firehouse 51 team into a hostage situation. NBC’s preview leaves the circumstances and outcome under wraps, pairing the emergency response with developments for Cruz and Severide.
Chief Tomlin’s assignment puts another challenge in front of Severide, while Cruz’s storyline continues alongside the call. Those two threads give the anniversary episode personal stakes as well as an urgent situation for the crew to handle.
Chicago Fire Reaches 300 Episodes
“Three Hundred” is both the fifth episode of Season 15 and the 300th episode of Chicago Fire overall. NBCUniversal marked the production milestone this fall, celebrating the cast and crew’s work in Chicago as the series continues its place in the One Chicago lineup.
The ensemble includes Miranda Rae Mayo as Stella Kidd, David Eigenberg as Christopher Herrmann and Christian Stolte as Randy “Mouch” McHolland. The series also stars Hanako Greensmith as Violet Mikami, Jocelyn Hudon as Lizzy Novak and Brandon Larracuente as Sal Vasquez.
Chicago Fire Season 15 Episode 5 Details
| Episode | Season 15 Episode 5, “Three Hundred” |
|---|---|
| Milestone | 300th episode of Chicago Fire |
| Air Date | Wednesday, November 4, 2026 |
| Time | 9:00–10:00 p.m. ET/PT; 8:00–9:00 p.m. CT |
| Network | NBC |
| Streaming | Peacock, beginning Thursday, November 5 |
Chicago Fire Season 15 Episode 5 Photos — “Three Hundred”
Watch Chicago Fire’s 300th Episode Tonight
“Three Hundred” premieres tonight at 9/8c on NBC, following Chicago Med. Stream the episode tomorrow, Thursday, November 5, on Peacock’s official Chicago Fire page. Visit NBCUniversal’s One Chicago guide for more about the franchise and its Wednesday schedule.
More One Chicago Coverage
Explore the Chicago Fire coverage hub, preview the Chicago Med “Baptism by Fire” photos or browse our TV Series Hub.
Thomas Miller is the founder and Editor-in-Chief of Seat42F, covering television, movies and streaming entertainment. He launched Seat42F in 2007 and has spent nearly two decades covering the entertainment industry.
