https://onechicagocenter.com/chicago-fire-season-15-premiere-could-feature-major-death-casting-shakeupOne Chicago CenterenChicago Fire season 15 premiere could feature a major death after casting shakeupChicago Fire,NBC,TV2026-07-25T19:21:00Z2026-07-25T19:21:00Zhttps://images2.minutemediacdn.com/image/upload/c_crop,w_650,h_365,x_237,y_4/c_fill,w_2880,ar_16:9,f_auto,q_auto,g_auto/images/voltaxMediaLibrary/production/398/01ksted9tt04wwj9pc2y.jpgCHICAGO FIRE -- "Thank You" Episode 1421 -- Pictured: David Eigenberg as Christopher Herrmann