What's Inside You

S10E18·8.5·April 13, 2022·1h·NBC

Firehouse 51 must band together when one of their own is taken hostage.

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#1In Season 10of 22 rated episodes

#26All-timeof 295 rated episodes

+0.2vs season avgSeason 10 averages 8.3

2022First airedApril 13, 2022

Guest stars

Randy Flagleras Firefighter Harold Capp

Katelynn Shennettas Firefighter Kylie Estevez

Caitlin Carveras Emma Jacobs

Chris Mansaas Firefighter Mason Locke

Everett Osborneas Will David Hollander

Brad Armacostas Bob Carver

Joseph Russoas Store Manager

Anthony Ferrarisas Firefighter Tony Ferraris

Steve "Chik" Chikerotisas District Chief Steve Walker

Jason Amploas Merle

Carolyn M. Blackintonas Merle's Mom

Jeremy Peacockas Jeremy

Danny Schaeferas Hollis

Daliate Solomonas Kat

Brenna MalloyDirector