8x14 Shut It Down
First Aired: Feb. 12, 2020 on NBC
Summary: A series of mysterious gas leaks has members of Firehouse 51 puzzled and spread thin. Brett's conflicted when her birth mother gets serious about tracking her down. Severide misunderstands his role as Cruz's best man. Mouch bites off more than he can chew.
Guest Stars[no credits found]