8.0

Chicago Fire•Season 15•Episode 1

New Blood

8.0/10 · 130 votesOct 7, 202642 min

Ranked #2 of 2 in Season 15•−0.2 vs season avg

Discussion

Firehouse 51 faces the fallout of the warehouse fire. The team welcomes a new crop of probies into the fold.

Directed byReza Tabrizi

Written byVictor Teran

Previous seasonSeason 14 Next episodeE2 · Rattle the Cage

Seasons15

All 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Season 15 Episodes3

E1 8.0Now viewing

New Blood

E2 8.3

Rattle the Cage

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Take the Hit

Cast8

Taylor Kinney

Kelly Severide

David Eigenberg

Christopher Herrmann

Christian Stolte

Randy 'Mouch' McHolland

Miranda Rae Mayo

Stella Kidd

Hanako Greensmith

Violet Mikami

Jocelyn Hudon

Paramedic Lyla 'Lizzie' Novak

Brandon Larracuente

Salvador 'Sal' Vasquez

Da'Vinchi

Marcus Burke

Crew2

Reza Tabrizi

Director

Victor Teran

Writer

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Episode Summary

"New Blood" is episode 1 of Chicago Fire season 15. It scored 8.0/10 from 130 votes, ranking #2 of 2 episodes this season (season average 8.2). Directed by Reza Tabrizi and written by Victor Teran, it aired on October 7, 2026.

Next: E2 · Rattle the Cage Best of Season 15