CHICAGO FIRE Fall Finale: Derek Haas on Casey’s New Threat, Severide and Stella, and Cruz’s Roller Coaster

CHICAGO FIRE — “The Beginning is the End is the Beginning” Episode 709 — Pictured: (l-r) Christian Stolte as Randall “Mouch” McHolland, Joe Minoso as Joe Cruz, Randy Flagler as Capp, Miranda Rae Mayo as Stella Kidd, Taylor Kinney as Kelly Severide, Kara Killmer as Sylvie Brett, David Eigenberg as Christopher Herrmann — (Photo by: Elizabeth Morris/NBC)